28081620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:84

約数の個数: 384

約数和(自身を含む): 116121600

約数和(自身を除く): 88039980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 23, 27, 28, 30, 34, 35, 36, 38, 42, 45, 46, 51, 54, 57, 60, 63, 68, 69, 70, 76, 84, 85, 90, 92, 95, 102, 105, 108, 114, 115, 119, 126, 133, 135, 138, 140, 153, 161, 170, 171, 180, 189, 190, 204, 207, 210, 228, 230, 238, 252, 255, 266, 270, 276, 285, 306, 315, 322, 323, 340, 342, 345, 357, 378, 380, 391, 399, 414, 420, 437, 459, 460, 476, 483, 510, 513, 532, 540, 570, 595, 612, 621, 630, 644, 646, 665, 684, 690, 714, 756, 765, 782, 798, 805, 828, 855, 874, 918, 945, 966, 969, 1020, 1026, 1035, 1071, 1140, 1173, 1190, 1197, 1242, 1260, 1292, 1311, 1330, 1380, 1428, 1449, 1530, 1564, 1596, 1610, 1615, 1710, 1748, 1785, 1836, 1890, 1932, 1938, 1955, 1995, 2052, 2070, 2142, 2185, 2261, 2295, 2346, 2380, 2394, 2415, 2484, 2565, 2622, 2660, 2737, 2898, 2907, 3059, 3060, 3105, 3213, 3220, 3230, 3420, 3519, 3570, 3591, 3780, 3876, 3910, 3933, 3990, 4140, 4284, 4347, 4370, 4522, 4590, 4692, 4788, 4830, 4845, 5130, 5244, 5355, 5474, 5796, 5814, 5865, 5985, 6118, 6210, 6426, 6460, 6555, 6783, 7038, 7140, 7182, 7245, 7429, 7820, 7866, 7980, 8211, 8694, 8721, 8740, 9044, 9177, 9180, 9660, 9690, 10260, 10557, 10710, 10948, 11305, 11628, 11730, 11799, 11970, 12236, 12420, 12852, 13110, 13566, 13685, 14076, 14364, 14490, 14535, 14858, 15295, 15732, 16065, 16422, 17388, 17442, 17595, 17955, 18354, 19380, 19665, 20349, 21114, 21420, 21735, 22287, 22610, 23460, 23598, 23940, 24633, 26220, 27132, 27370, 27531, 28980, 29070, 29716, 30590, 32130, 32844, 33915, 34884, 35190, 35910, 36708, 37145, 39330, 40698, 41055, 42228, 43470, 43605, 44574, 45220, 45885, 47196, 49266, 52003, 52785, 54740, 55062, 58140, 58995, 61047, 61180, 64260, 66861, 67830, 70380, 71820, 73899, 74290, 78660, 81396, 82110, 82593, 86940, 87210, 89148, 91770, 98532, 101745, 104006, 105570, 110124, 111435, 117990, 122094, 123165, 133722, 135660, 137655, 147798, 148580, 156009, 164220, 165186, 174420, 183540, 200583, 203490, 208012, 211140, 222870, 235980, 244188, 246330, 260015, 267444, 275310, 295596, 305235, 312018, 330372, 334305, 369495, 401166, 406980, 412965, 445740, 468027, 492660, 520030, 550620, 610470, 624036, 668610, 738990, 780045, 802332, 825930, 936054, 1002915, 1040060, 1220940, 1337220, 1404081, 1477980, 1560090, 1651860, 1872108, 2005830, 2340135, 2808162, 3120180, 4011660, 4680270, 5616324, 7020405, 9360540, 14040810, 28081620]

約数ペア:

[(1, 28081620), (2, 14040810), (3, 9360540), (4, 7020405), (5, 5616324), (6, 4680270), (7, 4011660), (9, 3120180), (10, 2808162), (12, 2340135), (14, 2005830), (15, 1872108), (17, 1651860), (18, 1560090), (19, 1477980), (20, 1404081), (21, 1337220), (23, 1220940), (27, 1040060), (28, 1002915), (30, 936054), (34, 825930), (35, 802332), (36, 780045), (38, 738990), (42, 668610), (45, 624036), (46, 610470), (51, 550620), (54, 520030), (57, 492660), (60, 468027), (63, 445740), (68, 412965), (69, 406980), (70, 401166), (76, 369495), (84, 334305), (85, 330372), (90, 312018), (92, 305235), (95, 295596), (102, 275310), (105, 267444), (108, 260015), (114, 246330), (115, 244188), (119, 235980), (126, 222870), (133, 211140), (135, 208012), (138, 203490), (140, 200583), (153, 183540), (161, 174420), (170, 165186), (171, 164220), (180, 156009), (189, 148580), (190, 147798), (204, 137655), (207, 135660), (210, 133722), (228, 123165), (230, 122094), (238, 117990), (252, 111435), (255, 110124), (266, 105570), (270, 104006), (276, 101745), (285, 98532), (306, 91770), (315, 89148), (322, 87210), (323, 86940), (340, 82593), (342, 82110), (345, 81396), (357, 78660), (378, 74290), (380, 73899), (391, 71820), (399, 70380), (414, 67830), (420, 66861), (437, 64260), (459, 61180), (460, 61047), (476, 58995), (483, 58140), (510, 55062), (513, 54740), (532, 52785), (540, 52003), (570, 49266), (595, 47196), (612, 45885), (621, 45220), (630, 44574), (644, 43605), (646, 43470), (665, 42228), (684, 41055), (690, 40698), (714, 39330), (756, 37145), (765, 36708), (782, 35910), (798, 35190), (805, 34884), (828, 33915), (855, 32844), (874, 32130), (918, 30590), (945, 29716), (966, 29070), (969, 28980), (1020, 27531), (1026, 27370), (1035, 27132), (1071, 26220), (1140, 24633), (1173, 23940), (1190, 23598), (1197, 23460), (1242, 22610), (1260, 22287), (1292, 21735), (1311, 21420), (1330, 21114), (1380, 20349), (1428, 19665), (1449, 19380), (1530, 18354), (1564, 17955), (1596, 17595), (1610, 17442), (1615, 17388), (1710, 16422), (1748, 16065), (1785, 15732), (1836, 15295), (1890, 14858), (1932, 14535), (1938, 14490), (1955, 14364), (1995, 14076), (2052, 13685), (2070, 13566), (2142, 13110), (2185, 12852), (2261, 12420), (2295, 12236), (2346, 11970), (2380, 11799), (2394, 11730), (2415, 11628), (2484, 11305), (2565, 10948), (2622, 10710), (2660, 10557), (2737, 10260), (2898, 9690), (2907, 9660), (3059, 9180), (3060, 9177), (3105, 9044), (3213, 8740), (3220, 8721), (3230, 8694), (3420, 8211), (3519, 7980), (3570, 7866), (3591, 7820), (3780, 7429), (3876, 7245), (3910, 7182), (3933, 7140), (3990, 7038), (4140, 6783), (4284, 6555), (4347, 6460), (4370, 6426), (4522, 6210), (4590, 6118), (4692, 5985), (4788, 5865), (4830, 5814), (4845, 5796), (5130, 5474), (5244, 5355)]