158442880

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6691}}^1$

素因数の和:6747

約数の個数: 64

約数和(自身を含む): 389072880

約数和(自身を除く): 230630000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 4736, 5920, 6691, 11840, 13382, 23680, 26764, 33455, 53528, 66910, 107056, 133820, 214112, 247567, 267640, 428224, 495134, 535280, 856448, 990268, 1070560, 1237835, 1980536, 2141120, 2475670, 3961072, 4282240, 4951340, 7922144, 9902680, 15844288, 19805360, 31688576, 39610720, 79221440, 158442880]

約数ペア:

[(1, 158442880), (2, 79221440), (4, 39610720), (5, 31688576), (8, 19805360), (10, 15844288), (16, 9902680), (20, 7922144), (32, 4951340), (37, 4282240), (40, 3961072), (64, 2475670), (74, 2141120), (80, 1980536), (128, 1237835), (148, 1070560), (160, 990268), (185, 856448), (296, 535280), (320, 495134), (370, 428224), (592, 267640), (640, 247567), (740, 214112), (1184, 133820), (1480, 107056), (2368, 66910), (2960, 53528), (4736, 33455), (5920, 26764), (6691, 23680), (11840, 13382)]