28804980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 83865600

約数和(自身を除く): 55060620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 79, 103, 118, 158, 177, 206, 236, 237, 295, 309, 316, 354, 395, 412, 474, 515, 590, 618, 708, 790, 885, 948, 1030, 1180, 1185, 1236, 1545, 1580, 1770, 2060, 2370, 3090, 3540, 4661, 4740, 6077, 6180, 8137, 9322, 12154, 13983, 16274, 18231, 18644, 23305, 24308, 24411, 27966, 30385, 32548, 36462, 40685, 46610, 48822, 55932, 60770, 69915, 72924, 81370, 91155, 93220, 97644, 121540, 122055, 139830, 162740, 182310, 244110, 279660, 364620, 480083, 488220, 960166, 1440249, 1920332, 2400415, 2880498, 4800830, 5760996, 7201245, 9601660, 14402490, 28804980]

約数ペア:

[(1, 28804980), (2, 14402490), (3, 9601660), (4, 7201245), (5, 5760996), (6, 4800830), (10, 2880498), (12, 2400415), (15, 1920332), (20, 1440249), (30, 960166), (59, 488220), (60, 480083), (79, 364620), (103, 279660), (118, 244110), (158, 182310), (177, 162740), (206, 139830), (236, 122055), (237, 121540), (295, 97644), (309, 93220), (316, 91155), (354, 81370), (395, 72924), (412, 69915), (474, 60770), (515, 55932), (590, 48822), (618, 46610), (708, 40685), (790, 36462), (885, 32548), (948, 30385), (1030, 27966), (1180, 24411), (1185, 24308), (1236, 23305), (1545, 18644), (1580, 18231), (1770, 16274), (2060, 13983), (2370, 12154), (3090, 9322), (3540, 8137), (4661, 6180), (4740, 6077)]