147641840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1690

約数の個数: 80

約数和(自身を含む): 364143360

約数和(自身を除く): 216501520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 1609, 2294, 2480, 2960, 3218, 4588, 5735, 6436, 8045, 9176, 11470, 12872, 16090, 18352, 22940, 25744, 32180, 45880, 49879, 59533, 64360, 91760, 99758, 119066, 128720, 199516, 238132, 249395, 297665, 399032, 476264, 498790, 595330, 798064, 952528, 997580, 1190660, 1845523, 1995160, 2381320, 3691046, 3990320, 4762640, 7382092, 9227615, 14764184, 18455230, 29528368, 36910460, 73820920, 147641840]

約数ペア:

[(1, 147641840), (2, 73820920), (4, 36910460), (5, 29528368), (8, 18455230), (10, 14764184), (16, 9227615), (20, 7382092), (31, 4762640), (37, 3990320), (40, 3691046), (62, 2381320), (74, 1995160), (80, 1845523), (124, 1190660), (148, 997580), (155, 952528), (185, 798064), (248, 595330), (296, 498790), (310, 476264), (370, 399032), (496, 297665), (592, 249395), (620, 238132), (740, 199516), (1147, 128720), (1240, 119066), (1480, 99758), (1609, 91760), (2294, 64360), (2480, 59533), (2960, 49879), (3218, 45880), (4588, 32180), (5735, 25744), (6436, 22940), (8045, 18352), (9176, 16090), (11470, 12872)]