28895580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 288

約数和(自身を含む): 113218560

約数和(自身を除く): 84322980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 28, 30, 34, 35, 36, 38, 42, 45, 51, 57, 60, 63, 68, 70, 71, 76, 84, 85, 90, 95, 102, 105, 114, 119, 126, 133, 140, 142, 153, 170, 171, 180, 190, 204, 210, 213, 228, 238, 252, 255, 266, 284, 285, 306, 315, 323, 340, 342, 355, 357, 380, 399, 420, 426, 476, 497, 510, 532, 570, 595, 612, 630, 639, 646, 665, 684, 710, 714, 765, 798, 852, 855, 969, 994, 1020, 1065, 1071, 1140, 1190, 1197, 1207, 1260, 1278, 1292, 1330, 1349, 1420, 1428, 1491, 1530, 1596, 1615, 1710, 1785, 1938, 1988, 1995, 2130, 2142, 2261, 2380, 2394, 2414, 2485, 2556, 2660, 2698, 2907, 2982, 3060, 3195, 3230, 3420, 3570, 3621, 3876, 3990, 4047, 4260, 4284, 4473, 4522, 4788, 4828, 4845, 4970, 5355, 5396, 5814, 5964, 5985, 6035, 6390, 6460, 6745, 6783, 7140, 7242, 7455, 7980, 8094, 8449, 8946, 9044, 9443, 9690, 9940, 10710, 10863, 11305, 11628, 11970, 12070, 12141, 12780, 13490, 13566, 14484, 14535, 14910, 16188, 16898, 17892, 18105, 18886, 19380, 20235, 20349, 21420, 21726, 22365, 22610, 22933, 23940, 24140, 24282, 25347, 26980, 27132, 28329, 29070, 29820, 33796, 33915, 36210, 37772, 40470, 40698, 42245, 43452, 44730, 45220, 45866, 47215, 48564, 50694, 54315, 56658, 58140, 60705, 67830, 68799, 72420, 76041, 80940, 81396, 84490, 84987, 89460, 91732, 94430, 101388, 101745, 108630, 113316, 114665, 121410, 126735, 135660, 137598, 141645, 152082, 160531, 168980, 169974, 188860, 203490, 206397, 217260, 229330, 242820, 253470, 275196, 283290, 304164, 321062, 339948, 343995, 380205, 406980, 412794, 424935, 458660, 481593, 506940, 566580, 642124, 687990, 760410, 802655, 825588, 849870, 963186, 1031985, 1375980, 1444779, 1520820, 1605310, 1699740, 1926372, 2063970, 2407965, 2889558, 3210620, 4127940, 4815930, 5779116, 7223895, 9631860, 14447790, 28895580]

約数ペア:

[(1, 28895580), (2, 14447790), (3, 9631860), (4, 7223895), (5, 5779116), (6, 4815930), (7, 4127940), (9, 3210620), (10, 2889558), (12, 2407965), (14, 2063970), (15, 1926372), (17, 1699740), (18, 1605310), (19, 1520820), (20, 1444779), (21, 1375980), (28, 1031985), (30, 963186), (34, 849870), (35, 825588), (36, 802655), (38, 760410), (42, 687990), (45, 642124), (51, 566580), (57, 506940), (60, 481593), (63, 458660), (68, 424935), (70, 412794), (71, 406980), (76, 380205), (84, 343995), (85, 339948), (90, 321062), (95, 304164), (102, 283290), (105, 275196), (114, 253470), (119, 242820), (126, 229330), (133, 217260), (140, 206397), (142, 203490), (153, 188860), (170, 169974), (171, 168980), (180, 160531), (190, 152082), (204, 141645), (210, 137598), (213, 135660), (228, 126735), (238, 121410), (252, 114665), (255, 113316), (266, 108630), (284, 101745), (285, 101388), (306, 94430), (315, 91732), (323, 89460), (340, 84987), (342, 84490), (355, 81396), (357, 80940), (380, 76041), (399, 72420), (420, 68799), (426, 67830), (476, 60705), (497, 58140), (510, 56658), (532, 54315), (570, 50694), (595, 48564), (612, 47215), (630, 45866), (639, 45220), (646, 44730), (665, 43452), (684, 42245), (710, 40698), (714, 40470), (765, 37772), (798, 36210), (852, 33915), (855, 33796), (969, 29820), (994, 29070), (1020, 28329), (1065, 27132), (1071, 26980), (1140, 25347), (1190, 24282), (1197, 24140), (1207, 23940), (1260, 22933), (1278, 22610), (1292, 22365), (1330, 21726), (1349, 21420), (1420, 20349), (1428, 20235), (1491, 19380), (1530, 18886), (1596, 18105), (1615, 17892), (1710, 16898), (1785, 16188), (1938, 14910), (1988, 14535), (1995, 14484), (2130, 13566), (2142, 13490), (2261, 12780), (2380, 12141), (2394, 12070), (2414, 11970), (2485, 11628), (2556, 11305), (2660, 10863), (2698, 10710), (2907, 9940), (2982, 9690), (3060, 9443), (3195, 9044), (3230, 8946), (3420, 8449), (3570, 8094), (3621, 7980), (3876, 7455), (3990, 7242), (4047, 7140), (4260, 6783), (4284, 6745), (4473, 6460), (4522, 6390), (4788, 6035), (4828, 5985), (4845, 5964), (4970, 5814), (5355, 5396)]