80990280

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{3571}}^1$

素因数の和:3601

約数の個数: 160

約数和(自身を含む): 311192640

約数和(自身を除く): 230202360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3571, 3780, 4536, 5670, 7142, 7560, 10713, 11340, 14284, 17855, 21426, 22680, 24997, 28568, 32139, 35710, 42852, 49994, 53565, 64278, 71420, 74991, 85704, 96417, 99988, 107130, 124985, 128556, 142840, 149982, 160695, 192834, 199976, 214260, 224973, 249970, 257112, 289251, 299964, 321390, 374955, 385668, 428520, 449946, 482085, 499940, 578502, 599928, 642780, 674919, 749910, 771336, 899892, 964170, 999880, 1124865, 1157004, 1285560, 1349838, 1446255, 1499820, 1799784, 1928340, 2024757, 2249730, 2314008, 2699676, 2892510, 2999640, 3374595, 3856680, 4049514, 4499460, 5399352, 5785020, 6749190, 8099028, 8998920, 10123785, 11570040, 13498380, 16198056, 20247570, 26996760, 40495140, 80990280]

約数ペア:

[(1, 80990280), (2, 40495140), (3, 26996760), (4, 20247570), (5, 16198056), (6, 13498380), (7, 11570040), (8, 10123785), (9, 8998920), (10, 8099028), (12, 6749190), (14, 5785020), (15, 5399352), (18, 4499460), (20, 4049514), (21, 3856680), (24, 3374595), (27, 2999640), (28, 2892510), (30, 2699676), (35, 2314008), (36, 2249730), (40, 2024757), (42, 1928340), (45, 1799784), (54, 1499820), (56, 1446255), (60, 1349838), (63, 1285560), (70, 1157004), (72, 1124865), (81, 999880), (84, 964170), (90, 899892), (105, 771336), (108, 749910), (120, 674919), (126, 642780), (135, 599928), (140, 578502), (162, 499940), (168, 482085), (180, 449946), (189, 428520), (210, 385668), (216, 374955), (252, 321390), (270, 299964), (280, 289251), (315, 257112), (324, 249970), (360, 224973), (378, 214260), (405, 199976), (420, 192834), (504, 160695), (540, 149982), (567, 142840), (630, 128556), (648, 124985), (756, 107130), (810, 99988), (840, 96417), (945, 85704), (1080, 74991), (1134, 71420), (1260, 64278), (1512, 53565), (1620, 49994), (1890, 42852), (2268, 35710), (2520, 32139), (2835, 28568), (3240, 24997), (3571, 22680), (3780, 21426), (4536, 17855), (5670, 14284), (7142, 11340), (7560, 10713)]