7249040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 18094080

約数和(自身を除く): 10845040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 79, 80, 124, 148, 155, 158, 185, 248, 296, 310, 316, 370, 395, 496, 592, 620, 632, 740, 790, 1147, 1240, 1264, 1480, 1580, 2294, 2449, 2480, 2923, 2960, 3160, 4588, 4898, 5735, 5846, 6320, 9176, 9796, 11470, 11692, 12245, 14615, 18352, 19592, 22940, 23384, 24490, 29230, 39184, 45880, 46768, 48980, 58460, 90613, 91760, 97960, 116920, 181226, 195920, 233840, 362452, 453065, 724904, 906130, 1449808, 1812260, 3624520, 7249040]

約数ペア:

[(1, 7249040), (2, 3624520), (4, 1812260), (5, 1449808), (8, 906130), (10, 724904), (16, 453065), (20, 362452), (31, 233840), (37, 195920), (40, 181226), (62, 116920), (74, 97960), (79, 91760), (80, 90613), (124, 58460), (148, 48980), (155, 46768), (158, 45880), (185, 39184), (248, 29230), (296, 24490), (310, 23384), (316, 22940), (370, 19592), (395, 18352), (496, 14615), (592, 12245), (620, 11692), (632, 11470), (740, 9796), (790, 9176), (1147, 6320), (1240, 5846), (1264, 5735), (1480, 4898), (1580, 4588), (2294, 3160), (2449, 2960), (2480, 2923)]