890520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 2751840

約数和(自身を除く): 1861320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 181, 205, 246, 328, 362, 410, 492, 543, 615, 724, 820, 905, 984, 1086, 1230, 1448, 1640, 1810, 2172, 2460, 2715, 3620, 4344, 4920, 5430, 7240, 7421, 10860, 14842, 21720, 22263, 29684, 37105, 44526, 59368, 74210, 89052, 111315, 148420, 178104, 222630, 296840, 445260, 890520]

約数ペア:

[(1, 890520), (2, 445260), (3, 296840), (4, 222630), (5, 178104), (6, 148420), (8, 111315), (10, 89052), (12, 74210), (15, 59368), (20, 44526), (24, 37105), (30, 29684), (40, 22263), (41, 21720), (60, 14842), (82, 10860), (120, 7421), (123, 7240), (164, 5430), (181, 4920), (205, 4344), (246, 3620), (328, 2715), (362, 2460), (410, 2172), (492, 1810), (543, 1640), (615, 1448), (724, 1230), (820, 1086), (905, 984)]