688904970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{76801}}^1$

素因数の和:76847

約数の個数: 64

約数和(自身を含む): 1857993984

約数和(自身を除く): 1169089014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2990, 4485, 8970, 76801, 153602, 230403, 384005, 460806, 768010, 998413, 1152015, 1766423, 1996826, 2304030, 2995239, 3532846, 4992065, 5299269, 5990478, 8832115, 9984130, 10598538, 14976195, 17664230, 22963499, 26496345, 29952390, 45926998, 52992690, 68890497, 114817495, 137780994, 229634990, 344452485, 688904970]

約数ペア:

[(1, 688904970), (2, 344452485), (3, 229634990), (5, 137780994), (6, 114817495), (10, 68890497), (13, 52992690), (15, 45926998), (23, 29952390), (26, 26496345), (30, 22963499), (39, 17664230), (46, 14976195), (65, 10598538), (69, 9984130), (78, 8832115), (115, 5990478), (130, 5299269), (138, 4992065), (195, 3532846), (230, 2995239), (299, 2304030), (345, 1996826), (390, 1766423), (598, 1152015), (690, 998413), (897, 768010), (1495, 460806), (1794, 384005), (2990, 230403), (4485, 153602), (8970, 76801)]