256256130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{38651}}^1$

素因数の和:38691

約数の個数: 64

約数和(自身を含む): 701301888

約数和(自身を除く): 445045758

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 38651, 77302, 115953, 193255, 231906, 386510, 502463, 579765, 657067, 1004926, 1159530, 1314134, 1507389, 1971201, 2512315, 3014778, 3285335, 3942402, 5024630, 6570670, 7536945, 8541871, 9856005, 15073890, 17083742, 19712010, 25625613, 42709355, 51251226, 85418710, 128128065, 256256130]

約数ペア:

[(1, 256256130), (2, 128128065), (3, 85418710), (5, 51251226), (6, 42709355), (10, 25625613), (13, 19712010), (15, 17083742), (17, 15073890), (26, 9856005), (30, 8541871), (34, 7536945), (39, 6570670), (51, 5024630), (65, 3942402), (78, 3285335), (85, 3014778), (102, 2512315), (130, 1971201), (170, 1507389), (195, 1314134), (221, 1159530), (255, 1004926), (390, 657067), (442, 579765), (510, 502463), (663, 386510), (1105, 231906), (1326, 193255), (2210, 115953), (3315, 77302), (6630, 38651)]