157440390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 386760960

約数和(自身を除く): 229320570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 227, 305, 366, 379, 454, 610, 681, 758, 915, 1135, 1137, 1362, 1830, 1895, 2270, 2274, 3405, 3790, 5685, 6810, 11370, 13847, 23119, 27694, 41541, 46238, 69235, 69357, 83082, 86033, 115595, 138470, 138714, 172066, 207705, 231190, 258099, 346785, 415410, 430165, 516198, 693570, 860330, 1290495, 2580990, 5248013, 10496026, 15744039, 26240065, 31488078, 52480130, 78720195, 157440390]

約数ペア:

[(1, 157440390), (2, 78720195), (3, 52480130), (5, 31488078), (6, 26240065), (10, 15744039), (15, 10496026), (30, 5248013), (61, 2580990), (122, 1290495), (183, 860330), (227, 693570), (305, 516198), (366, 430165), (379, 415410), (454, 346785), (610, 258099), (681, 231190), (758, 207705), (915, 172066), (1135, 138714), (1137, 138470), (1362, 115595), (1830, 86033), (1895, 83082), (2270, 69357), (2274, 69235), (3405, 46238), (3790, 41541), (5685, 27694), (6810, 23119), (11370, 13847)]