31075380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{8221}}^1$

素因数の和:8246

約数の個数: 96

約数和(自身を含む): 110503680

約数和(自身を除く): 79428300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 8221, 16442, 24663, 32884, 41105, 49326, 57547, 73989, 82210, 98652, 115094, 123315, 147978, 164420, 172641, 221967, 230188, 246630, 287735, 295956, 345282, 369945, 443934, 493260, 517923, 575470, 690564, 739890, 863205, 887868, 1035846, 1109835, 1150940, 1479780, 1553769, 1726410, 2071692, 2219670, 2589615, 3107538, 3452820, 4439340, 5179230, 6215076, 7768845, 10358460, 15537690, 31075380]

約数ペア:

[(1, 31075380), (2, 15537690), (3, 10358460), (4, 7768845), (5, 6215076), (6, 5179230), (7, 4439340), (9, 3452820), (10, 3107538), (12, 2589615), (14, 2219670), (15, 2071692), (18, 1726410), (20, 1553769), (21, 1479780), (27, 1150940), (28, 1109835), (30, 1035846), (35, 887868), (36, 863205), (42, 739890), (45, 690564), (54, 575470), (60, 517923), (63, 493260), (70, 443934), (84, 369945), (90, 345282), (105, 295956), (108, 287735), (126, 246630), (135, 230188), (140, 221967), (180, 172641), (189, 164420), (210, 147978), (252, 123315), (270, 115094), (315, 98652), (378, 82210), (420, 73989), (540, 57547), (630, 49326), (756, 41105), (945, 32884), (1260, 24663), (1890, 16442), (3780, 8221)]