31014120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 102954240

約数和(自身を除く): 71940120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 661, 680, 690, 782, 920, 1020, 1173, 1322, 1380, 1564, 1955, 1983, 2040, 2346, 2644, 2760, 3128, 3305, 3910, 3966, 4692, 5288, 5865, 6610, 7820, 7932, 9384, 9915, 11237, 11730, 13220, 15203, 15640, 15864, 19830, 22474, 23460, 26440, 30406, 33711, 39660, 44948, 45609, 46920, 56185, 60812, 67422, 76015, 79320, 89896, 91218, 112370, 121624, 134844, 152030, 168555, 182436, 224740, 228045, 258451, 269688, 304060, 337110, 364872, 449480, 456090, 516902, 608120, 674220, 775353, 912180, 1033804, 1292255, 1348440, 1550706, 1824360, 2067608, 2584510, 3101412, 3876765, 5169020, 6202824, 7753530, 10338040, 15507060, 31014120]

約数ペア:

[(1, 31014120), (2, 15507060), (3, 10338040), (4, 7753530), (5, 6202824), (6, 5169020), (8, 3876765), (10, 3101412), (12, 2584510), (15, 2067608), (17, 1824360), (20, 1550706), (23, 1348440), (24, 1292255), (30, 1033804), (34, 912180), (40, 775353), (46, 674220), (51, 608120), (60, 516902), (68, 456090), (69, 449480), (85, 364872), (92, 337110), (102, 304060), (115, 269688), (120, 258451), (136, 228045), (138, 224740), (170, 182436), (184, 168555), (204, 152030), (230, 134844), (255, 121624), (276, 112370), (340, 91218), (345, 89896), (391, 79320), (408, 76015), (460, 67422), (510, 60812), (552, 56185), (661, 46920), (680, 45609), (690, 44948), (782, 39660), (920, 33711), (1020, 30406), (1173, 26440), (1322, 23460), (1380, 22474), (1564, 19830), (1955, 15864), (1983, 15640), (2040, 15203), (2346, 13220), (2644, 11730), (2760, 11237), (3128, 9915), (3305, 9384), (3910, 7932), (3966, 7820), (4692, 6610), (5288, 5865)]