64912380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83221}}^1$

素因数の和:83246

約数の個数: 48

約数和(自身を含む): 195738144

約数和(自身を除く): 130825764

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, 83221, 166442, 249663, 332884, 416105, 499326, 832210, 998652, 1081873, 1248315, 1664420, 2163746, 2496630, 3245619, 4327492, 4993260, 5409365, 6491238, 10818730, 12982476, 16228095, 21637460, 32456190, 64912380]

約数ペア:

[(1, 64912380), (2, 32456190), (3, 21637460), (4, 16228095), (5, 12982476), (6, 10818730), (10, 6491238), (12, 5409365), (13, 4993260), (15, 4327492), (20, 3245619), (26, 2496630), (30, 2163746), (39, 1664420), (52, 1248315), (60, 1081873), (65, 998652), (78, 832210), (130, 499326), (156, 416105), (195, 332884), (260, 249663), (390, 166442), (780, 83221)]