153663880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:1030

約数の個数: 64

約数和(自身を含む): 356762880

約数和(自身を除く): 203099000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 887, 1220, 1420, 1774, 2440, 2840, 3548, 4331, 4435, 7096, 8662, 8870, 17324, 17740, 21655, 34648, 35480, 43310, 54107, 62977, 86620, 108214, 125954, 173240, 216428, 251908, 270535, 314885, 432856, 503816, 541070, 629770, 1082140, 1259540, 2164280, 2519080, 3841597, 7683194, 15366388, 19207985, 30732776, 38415970, 76831940, 153663880]

約数ペア:

[(1, 153663880), (2, 76831940), (4, 38415970), (5, 30732776), (8, 19207985), (10, 15366388), (20, 7683194), (40, 3841597), (61, 2519080), (71, 2164280), (122, 1259540), (142, 1082140), (244, 629770), (284, 541070), (305, 503816), (355, 432856), (488, 314885), (568, 270535), (610, 251908), (710, 216428), (887, 173240), (1220, 125954), (1420, 108214), (1774, 86620), (2440, 62977), (2840, 54107), (3548, 43310), (4331, 35480), (4435, 34648), (7096, 21655), (8662, 17740), (8870, 17324)]