81276390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69467}}^1$

素因数の和:69493

約数の個数: 48

約数和(自身を含む): 227577168

約数和(自身を除く): 146300778

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 69467, 138934, 208401, 347335, 416802, 625203, 694670, 903071, 1042005, 1250406, 1806142, 2084010, 2709213, 3126015, 4515355, 5418426, 6252030, 8127639, 9030710, 13546065, 16255278, 27092130, 40638195, 81276390]

約数ペア:

[(1, 81276390), (2, 40638195), (3, 27092130), (5, 16255278), (6, 13546065), (9, 9030710), (10, 8127639), (13, 6252030), (15, 5418426), (18, 4515355), (26, 3126015), (30, 2709213), (39, 2084010), (45, 1806142), (65, 1250406), (78, 1042005), (90, 903071), (117, 694670), (130, 625203), (195, 416802), (234, 347335), (390, 208401), (585, 138934), (1170, 69467)]