72843290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 147159936

約数和(自身を除く): 74316646

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 83, 86, 130, 157, 166, 215, 314, 415, 430, 559, 785, 830, 1079, 1118, 1570, 2041, 2158, 2795, 3569, 4082, 5395, 5590, 6751, 7138, 10205, 10790, 13031, 13502, 17845, 20410, 26062, 33755, 35690, 46397, 65155, 67510, 87763, 92794, 130310, 169403, 175526, 231985, 338806, 438815, 463970, 560333, 847015, 877630, 1120666, 1694030, 2801665, 5603330, 7284329, 14568658, 36421645, 72843290]

約数ペア:

[(1, 72843290), (2, 36421645), (5, 14568658), (10, 7284329), (13, 5603330), (26, 2801665), (43, 1694030), (65, 1120666), (83, 877630), (86, 847015), (130, 560333), (157, 463970), (166, 438815), (215, 338806), (314, 231985), (415, 175526), (430, 169403), (559, 130310), (785, 92794), (830, 87763), (1079, 67510), (1118, 65155), (1570, 46397), (2041, 35690), (2158, 33755), (2795, 26062), (3569, 20410), (4082, 17845), (5395, 13502), (5590, 13031), (6751, 10790), (7138, 10205)]