87864640

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 112

約数和(自身を含む): 221339664

約数和(自身を除く): 133475024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 64, 74, 80, 82, 148, 160, 164, 181, 185, 205, 296, 320, 328, 362, 370, 410, 592, 656, 724, 740, 820, 905, 1184, 1312, 1448, 1480, 1517, 1640, 1810, 2368, 2624, 2896, 2960, 3034, 3280, 3620, 5792, 5920, 6068, 6560, 6697, 7240, 7421, 7585, 11584, 11840, 12136, 13120, 13394, 14480, 14842, 15170, 24272, 26788, 28960, 29684, 30340, 33485, 37105, 48544, 53576, 57920, 59368, 60680, 66970, 74210, 97088, 107152, 118736, 121360, 133940, 148420, 214304, 237472, 242720, 267880, 274577, 296840, 428608, 474944, 485440, 535760, 549154, 593680, 1071520, 1098308, 1187360, 1372885, 2143040, 2196616, 2374720, 2745770, 4393232, 5491540, 8786464, 10983080, 17572928, 21966160, 43932320, 87864640]

約数ペア:

[(1, 87864640), (2, 43932320), (4, 21966160), (5, 17572928), (8, 10983080), (10, 8786464), (16, 5491540), (20, 4393232), (32, 2745770), (37, 2374720), (40, 2196616), (41, 2143040), (64, 1372885), (74, 1187360), (80, 1098308), (82, 1071520), (148, 593680), (160, 549154), (164, 535760), (181, 485440), (185, 474944), (205, 428608), (296, 296840), (320, 274577), (328, 267880), (362, 242720), (370, 237472), (410, 214304), (592, 148420), (656, 133940), (724, 121360), (740, 118736), (820, 107152), (905, 97088), (1184, 74210), (1312, 66970), (1448, 60680), (1480, 59368), (1517, 57920), (1640, 53576), (1810, 48544), (2368, 37105), (2624, 33485), (2896, 30340), (2960, 29684), (3034, 28960), (3280, 26788), (3620, 24272), (5792, 15170), (5920, 14842), (6068, 14480), (6560, 13394), (6697, 13120), (7240, 12136), (7421, 11840), (7585, 11584)]