281424390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:438

約数の個数: 128

約数和(自身を含む): 773660160

約数和(自身を除く): 492235770

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 163, 190, 195, 233, 247, 285, 326, 390, 466, 489, 494, 570, 699, 741, 815, 978, 1165, 1235, 1398, 1482, 1630, 2119, 2330, 2445, 2470, 3029, 3097, 3495, 3705, 4238, 4427, 4890, 6058, 6194, 6357, 6990, 7410, 8854, 9087, 9291, 10595, 12714, 13281, 15145, 15485, 18174, 18582, 21190, 22135, 26562, 30290, 30970, 31785, 37979, 40261, 44270, 45435, 46455, 57551, 63570, 66405, 75958, 80522, 90870, 92910, 113937, 115102, 120783, 132810, 172653, 189895, 201305, 227874, 241566, 287755, 345306, 379790, 402610, 493727, 569685, 575510, 603915, 721601, 863265, 987454, 1139370, 1207830, 1443202, 1481181, 1726530, 2164803, 2468635, 2962362, 3608005, 4329606, 4937270, 7216010, 7405905, 9380813, 10824015, 14811810, 18761626, 21648030, 28142439, 46904065, 56284878, 93808130, 140712195, 281424390]

約数ペア:

[(1, 281424390), (2, 140712195), (3, 93808130), (5, 56284878), (6, 46904065), (10, 28142439), (13, 21648030), (15, 18761626), (19, 14811810), (26, 10824015), (30, 9380813), (38, 7405905), (39, 7216010), (57, 4937270), (65, 4329606), (78, 3608005), (95, 2962362), (114, 2468635), (130, 2164803), (163, 1726530), (190, 1481181), (195, 1443202), (233, 1207830), (247, 1139370), (285, 987454), (326, 863265), (390, 721601), (466, 603915), (489, 575510), (494, 569685), (570, 493727), (699, 402610), (741, 379790), (815, 345306), (978, 287755), (1165, 241566), (1235, 227874), (1398, 201305), (1482, 189895), (1630, 172653), (2119, 132810), (2330, 120783), (2445, 115102), (2470, 113937), (3029, 92910), (3097, 90870), (3495, 80522), (3705, 75958), (4238, 66405), (4427, 63570), (4890, 57551), (6058, 46455), (6194, 45435), (6357, 44270), (6990, 40261), (7410, 37979), (8854, 31785), (9087, 30970), (9291, 30290), (10595, 26562), (12714, 22135), (13281, 21190), (15145, 18582), (15485, 18174)]