681984420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{1553}}^1$

素因数の和:2141

約数の個数: 96

約数和(自身を含む): 2061424512

約数和(自身を除く): 1379440092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 563, 780, 1126, 1553, 1689, 2252, 2815, 3106, 3378, 4659, 5630, 6212, 6756, 7319, 7765, 8445, 9318, 11260, 14638, 15530, 16890, 18636, 20189, 21957, 23295, 29276, 31060, 33780, 36595, 40378, 43914, 46590, 60567, 73190, 80756, 87828, 93180, 100945, 109785, 121134, 146380, 201890, 219570, 242268, 302835, 403780, 439140, 605670, 874339, 1211340, 1748678, 2623017, 3497356, 4371695, 5246034, 8743390, 10492068, 11366407, 13115085, 17486780, 22732814, 26230170, 34099221, 45465628, 52460340, 56832035, 68198442, 113664070, 136396884, 170496105, 227328140, 340992210, 681984420]

約数ペア:

[(1, 681984420), (2, 340992210), (3, 227328140), (4, 170496105), (5, 136396884), (6, 113664070), (10, 68198442), (12, 56832035), (13, 52460340), (15, 45465628), (20, 34099221), (26, 26230170), (30, 22732814), (39, 17486780), (52, 13115085), (60, 11366407), (65, 10492068), (78, 8743390), (130, 5246034), (156, 4371695), (195, 3497356), (260, 2623017), (390, 1748678), (563, 1211340), (780, 874339), (1126, 605670), (1553, 439140), (1689, 403780), (2252, 302835), (2815, 242268), (3106, 219570), (3378, 201890), (4659, 146380), (5630, 121134), (6212, 109785), (6756, 100945), (7319, 93180), (7765, 87828), (8445, 80756), (9318, 73190), (11260, 60567), (14638, 46590), (15530, 43914), (16890, 40378), (18636, 36595), (20189, 33780), (21957, 31060), (23295, 29276)]