81595920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2897

約数の個数: 160

約数和(自身を含む): 306194688

約数和(自身を除く): 224598768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2856, 2857, 3570, 4080, 4760, 5712, 5714, 7140, 8571, 9520, 11428, 14280, 14285, 17142, 19999, 22856, 28560, 28570, 34284, 39998, 42855, 45712, 48569, 57140, 59997, 68568, 79996, 85710, 97138, 99995, 114280, 119994, 137136, 145707, 159992, 171420, 194276, 199990, 228560, 239988, 242845, 291414, 299985, 319984, 339983, 342840, 388552, 399980, 479976, 485690, 582828, 599970, 679966, 685680, 728535, 777104, 799960, 959952, 971380, 1019949, 1165656, 1199940, 1359932, 1457070, 1599920, 1699915, 1942760, 2039898, 2331312, 2399880, 2719864, 2914140, 3399830, 3885520, 4079796, 4799760, 5099745, 5439728, 5828280, 6799660, 8159592, 10199490, 11656560, 13599320, 16319184, 20398980, 27198640, 40797960, 81595920]

約数ペア:

[(1, 81595920), (2, 40797960), (3, 27198640), (4, 20398980), (5, 16319184), (6, 13599320), (7, 11656560), (8, 10199490), (10, 8159592), (12, 6799660), (14, 5828280), (15, 5439728), (16, 5099745), (17, 4799760), (20, 4079796), (21, 3885520), (24, 3399830), (28, 2914140), (30, 2719864), (34, 2399880), (35, 2331312), (40, 2039898), (42, 1942760), (48, 1699915), (51, 1599920), (56, 1457070), (60, 1359932), (68, 1199940), (70, 1165656), (80, 1019949), (84, 971380), (85, 959952), (102, 799960), (105, 777104), (112, 728535), (119, 685680), (120, 679966), (136, 599970), (140, 582828), (168, 485690), (170, 479976), (204, 399980), (210, 388552), (238, 342840), (240, 339983), (255, 319984), (272, 299985), (280, 291414), (336, 242845), (340, 239988), (357, 228560), (408, 199990), (420, 194276), (476, 171420), (510, 159992), (560, 145707), (595, 137136), (680, 119994), (714, 114280), (816, 99995), (840, 97138), (952, 85710), (1020, 79996), (1190, 68568), (1360, 59997), (1428, 57140), (1680, 48569), (1785, 45712), (1904, 42855), (2040, 39998), (2380, 34284), (2856, 28570), (2857, 28560), (3570, 22856), (4080, 19999), (4760, 17142), (5712, 14285), (5714, 14280), (7140, 11428), (8571, 9520)]