181560428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 402124800

約数和(自身を除く): 220564372

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 101, 109, 124, 133, 202, 217, 218, 266, 404, 434, 436, 532, 589, 707, 763, 868, 1178, 1414, 1526, 1919, 2071, 2356, 2828, 3052, 3131, 3379, 3838, 4123, 4142, 6262, 6758, 7676, 8246, 8284, 11009, 12524, 13433, 13516, 14497, 16492, 21917, 22018, 23653, 26866, 28994, 43834, 44036, 47306, 53732, 57988, 59489, 64201, 77063, 87668, 94612, 118978, 128402, 154126, 209171, 237956, 256804, 308252, 341279, 416423, 418342, 449407, 682558, 832846, 836684, 898814, 1365116, 1464197, 1665692, 1797628, 2388953, 2928394, 4777906, 5856788, 6484301, 9555812, 12968602, 25937204, 45390107, 90780214, 181560428]

約数ペア:

[(1, 181560428), (2, 90780214), (4, 45390107), (7, 25937204), (14, 12968602), (19, 9555812), (28, 6484301), (31, 5856788), (38, 4777906), (62, 2928394), (76, 2388953), (101, 1797628), (109, 1665692), (124, 1464197), (133, 1365116), (202, 898814), (217, 836684), (218, 832846), (266, 682558), (404, 449407), (434, 418342), (436, 416423), (532, 341279), (589, 308252), (707, 256804), (763, 237956), (868, 209171), (1178, 154126), (1414, 128402), (1526, 118978), (1919, 94612), (2071, 87668), (2356, 77063), (2828, 64201), (3052, 59489), (3131, 57988), (3379, 53732), (3838, 47306), (4123, 44036), (4142, 43834), (6262, 28994), (6758, 26866), (7676, 23653), (8246, 22018), (8284, 21917), (11009, 16492), (12524, 14497), (13433, 13516)]