66439620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28393}}^1$

素因数の和:28421

約数の個数: 72

約数和(自身を含む): 217043736

約数和(自身を除く): 150604116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 28393, 56786, 85179, 113572, 141965, 170358, 255537, 283930, 340716, 369109, 425895, 511074, 567860, 738218, 851790, 1022148, 1107327, 1277685, 1476436, 1703580, 1845545, 2214654, 2555370, 3321981, 3691090, 4429308, 5110740, 5536635, 6643962, 7382180, 11073270, 13287924, 16609905, 22146540, 33219810, 66439620]

約数ペア:

[(1, 66439620), (2, 33219810), (3, 22146540), (4, 16609905), (5, 13287924), (6, 11073270), (9, 7382180), (10, 6643962), (12, 5536635), (13, 5110740), (15, 4429308), (18, 3691090), (20, 3321981), (26, 2555370), (30, 2214654), (36, 1845545), (39, 1703580), (45, 1476436), (52, 1277685), (60, 1107327), (65, 1022148), (78, 851790), (90, 738218), (117, 567860), (130, 511074), (156, 425895), (180, 369109), (195, 340716), (234, 283930), (260, 255537), (390, 170358), (468, 141965), (585, 113572), (780, 85179), (1170, 56786), (2340, 28393)]