12905670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 32223744

約数和(自身を除く): 19318074

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 73, 83, 142, 146, 166, 213, 219, 249, 355, 365, 415, 426, 438, 498, 710, 730, 830, 1065, 1095, 1245, 2130, 2190, 2490, 5183, 5893, 6059, 10366, 11786, 12118, 15549, 17679, 18177, 25915, 29465, 30295, 31098, 35358, 36354, 51830, 58930, 60590, 77745, 88395, 90885, 155490, 176790, 181770, 430189, 860378, 1290567, 2150945, 2581134, 4301890, 6452835, 12905670]

約数ペア:

[(1, 12905670), (2, 6452835), (3, 4301890), (5, 2581134), (6, 2150945), (10, 1290567), (15, 860378), (30, 430189), (71, 181770), (73, 176790), (83, 155490), (142, 90885), (146, 88395), (166, 77745), (213, 60590), (219, 58930), (249, 51830), (355, 36354), (365, 35358), (415, 31098), (426, 30295), (438, 29465), (498, 25915), (710, 18177), (730, 17679), (830, 15549), (1065, 12118), (1095, 11786), (1245, 10366), (2130, 6059), (2190, 5893), (2490, 5183)]