1781040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 5687136

約数和(自身を除く): 3906096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 181, 205, 240, 246, 328, 362, 410, 492, 543, 615, 656, 724, 820, 905, 984, 1086, 1230, 1448, 1640, 1810, 1968, 2172, 2460, 2715, 2896, 3280, 3620, 4344, 4920, 5430, 7240, 7421, 8688, 9840, 10860, 14480, 14842, 21720, 22263, 29684, 37105, 43440, 44526, 59368, 74210, 89052, 111315, 118736, 148420, 178104, 222630, 296840, 356208, 445260, 593680, 890520, 1781040]

約数ペア:

[(1, 1781040), (2, 890520), (3, 593680), (4, 445260), (5, 356208), (6, 296840), (8, 222630), (10, 178104), (12, 148420), (15, 118736), (16, 111315), (20, 89052), (24, 74210), (30, 59368), (40, 44526), (41, 43440), (48, 37105), (60, 29684), (80, 22263), (82, 21720), (120, 14842), (123, 14480), (164, 10860), (181, 9840), (205, 8688), (240, 7421), (246, 7240), (328, 5430), (362, 4920), (410, 4344), (492, 3620), (543, 3280), (615, 2896), (656, 2715), (724, 2460), (820, 2172), (905, 1968), (984, 1810), (1086, 1640), (1230, 1448)]