30709120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3691}}^1$

素因数の和:3723

約数の個数: 64

約数和(自身を含む): 79082640

約数和(自身を除く): 48373520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3691, 4160, 7382, 8320, 14764, 18455, 29528, 36910, 47983, 59056, 73820, 95966, 118112, 147640, 191932, 236224, 239915, 295280, 383864, 472448, 479830, 590560, 767728, 959660, 1181120, 1535456, 1919320, 2362240, 3070912, 3838640, 6141824, 7677280, 15354560, 30709120]

約数ペア:

[(1, 30709120), (2, 15354560), (4, 7677280), (5, 6141824), (8, 3838640), (10, 3070912), (13, 2362240), (16, 1919320), (20, 1535456), (26, 1181120), (32, 959660), (40, 767728), (52, 590560), (64, 479830), (65, 472448), (80, 383864), (104, 295280), (128, 239915), (130, 236224), (160, 191932), (208, 147640), (260, 118112), (320, 95966), (416, 73820), (520, 59056), (640, 47983), (832, 36910), (1040, 29528), (1664, 18455), (2080, 14764), (3691, 8320), (4160, 7382)]