1553919640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:402

約数の個数: 256

約数和(自身を含む): 4551966720

約数和(自身を除く): 2998047080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 47, 52, 56, 62, 65, 70, 91, 94, 104, 124, 130, 140, 155, 182, 188, 217, 235, 248, 260, 280, 293, 310, 329, 364, 376, 403, 434, 455, 470, 520, 586, 611, 620, 658, 728, 806, 868, 910, 940, 1085, 1172, 1222, 1240, 1316, 1457, 1465, 1612, 1645, 1736, 1820, 1880, 2015, 2051, 2170, 2344, 2444, 2632, 2821, 2914, 2930, 3055, 3224, 3290, 3640, 3809, 4030, 4102, 4277, 4340, 4888, 5642, 5828, 5860, 6110, 6580, 7285, 7618, 8060, 8204, 8554, 8680, 9083, 10199, 10255, 11284, 11656, 11720, 12220, 13160, 13771, 14105, 14570, 15236, 16120, 16408, 17108, 18166, 18941, 19045, 20398, 20510, 21385, 22568, 24440, 26663, 27542, 28210, 29140, 30472, 34216, 36332, 37882, 38090, 40796, 41020, 42770, 45415, 50995, 53326, 55084, 56420, 58280, 63581, 68855, 72664, 75764, 76180, 81592, 82040, 85540, 90830, 94705, 96397, 101990, 106652, 110168, 112840, 118079, 127162, 132587, 133315, 137710, 151528, 152360, 171080, 179023, 181660, 189410, 192794, 203980, 213304, 236158, 254324, 265174, 266630, 275420, 317905, 358046, 363320, 378820, 385588, 407960, 426901, 472316, 481985, 508648, 530348, 533260, 550840, 590395, 635810, 662935, 716092, 757640, 771176, 826553, 853802, 895115, 944632, 963970, 1060696, 1066520, 1180790, 1253161, 1271620, 1325870, 1432184, 1653106, 1707604, 1790230, 1927940, 2134505, 2361580, 2506322, 2543240, 2651740, 2988307, 3306212, 3415208, 3580460, 3855880, 4132765, 4269010, 4723160, 5012644, 5303480, 5549713, 5976614, 6265805, 6612424, 7160920, 8265530, 8538020, 10025288, 11099426, 11953228, 12531610, 14941535, 16531060, 17076040, 22198852, 23906456, 25063220, 27748565, 29883070, 33062120, 38847991, 44397704, 50126440, 55497130, 59766140, 77695982, 110994260, 119532280, 155391964, 194239955, 221988520, 310783928, 388479910, 776959820, 1553919640]

約数ペア:

[(1, 1553919640), (2, 776959820), (4, 388479910), (5, 310783928), (7, 221988520), (8, 194239955), (10, 155391964), (13, 119532280), (14, 110994260), (20, 77695982), (26, 59766140), (28, 55497130), (31, 50126440), (35, 44397704), (40, 38847991), (47, 33062120), (52, 29883070), (56, 27748565), (62, 25063220), (65, 23906456), (70, 22198852), (91, 17076040), (94, 16531060), (104, 14941535), (124, 12531610), (130, 11953228), (140, 11099426), (155, 10025288), (182, 8538020), (188, 8265530), (217, 7160920), (235, 6612424), (248, 6265805), (260, 5976614), (280, 5549713), (293, 5303480), (310, 5012644), (329, 4723160), (364, 4269010), (376, 4132765), (403, 3855880), (434, 3580460), (455, 3415208), (470, 3306212), (520, 2988307), (586, 2651740), (611, 2543240), (620, 2506322), (658, 2361580), (728, 2134505), (806, 1927940), (868, 1790230), (910, 1707604), (940, 1653106), (1085, 1432184), (1172, 1325870), (1222, 1271620), (1240, 1253161), (1316, 1180790), (1457, 1066520), (1465, 1060696), (1612, 963970), (1645, 944632), (1736, 895115), (1820, 853802), (1880, 826553), (2015, 771176), (2051, 757640), (2170, 716092), (2344, 662935), (2444, 635810), (2632, 590395), (2821, 550840), (2914, 533260), (2930, 530348), (3055, 508648), (3224, 481985), (3290, 472316), (3640, 426901), (3809, 407960), (4030, 385588), (4102, 378820), (4277, 363320), (4340, 358046), (4888, 317905), (5642, 275420), (5828, 266630), (5860, 265174), (6110, 254324), (6580, 236158), (7285, 213304), (7618, 203980), (8060, 192794), (8204, 189410), (8554, 181660), (8680, 179023), (9083, 171080), (10199, 152360), (10255, 151528), (11284, 137710), (11656, 133315), (11720, 132587), (12220, 127162), (13160, 118079), (13771, 112840), (14105, 110168), (14570, 106652), (15236, 101990), (16120, 96397), (16408, 94705), (17108, 90830), (18166, 85540), (18941, 82040), (19045, 81592), (20398, 76180), (20510, 75764), (21385, 72664), (22568, 68855), (24440, 63581), (26663, 58280), (27542, 56420), (28210, 55084), (29140, 53326), (30472, 50995), (34216, 45415), (36332, 42770), (37882, 41020), (38090, 40796)]