128287380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164471}}^1$

素因数の和:164496

約数の個数: 48

約数和(自身を含む): 386838144

約数和(自身を除く): 258550764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 164471, 328942, 493413, 657884, 822355, 986826, 1644710, 1973652, 2138123, 2467065, 3289420, 4276246, 4934130, 6414369, 8552492, 9868260, 10690615, 12828738, 21381230, 25657476, 32071845, 42762460, 64143690, 128287380]

約数ペア:

[(1, 128287380), (2, 64143690), (3, 42762460), (4, 32071845), (5, 25657476), (6, 21381230), (10, 12828738), (12, 10690615), (13, 9868260), (15, 8552492), (20, 6414369), (26, 4934130), (30, 4276246), (39, 3289420), (52, 2467065), (60, 2138123), (65, 1973652), (78, 1644710), (130, 986826), (156, 822355), (195, 657884), (260, 493413), (390, 328942), (780, 164471)]