90628720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 264983040

約数和(自身を除く): 174354320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 80, 91, 104, 112, 118, 130, 140, 182, 208, 211, 236, 260, 280, 295, 364, 413, 422, 455, 472, 520, 560, 590, 728, 767, 826, 844, 910, 944, 1040, 1055, 1180, 1456, 1477, 1534, 1652, 1688, 1820, 2065, 2110, 2360, 2743, 2954, 3068, 3304, 3376, 3640, 3835, 4130, 4220, 4720, 5369, 5486, 5908, 6136, 6608, 7280, 7385, 7670, 8260, 8440, 10738, 10972, 11816, 12272, 12449, 13715, 14770, 15340, 16520, 16880, 19201, 21476, 21944, 23632, 24898, 26845, 27430, 29540, 30680, 33040, 38402, 42952, 43888, 49796, 53690, 54860, 59080, 61360, 62245, 76804, 85904, 87143, 96005, 99592, 107380, 109720, 118160, 124490, 153608, 161837, 174286, 192010, 199184, 214760, 219440, 248980, 307216, 323674, 348572, 384020, 429520, 435715, 497960, 647348, 697144, 768040, 809185, 871430, 995920, 1132859, 1294696, 1394288, 1536080, 1618370, 1742860, 2265718, 2589392, 3236740, 3485720, 4531436, 5664295, 6473480, 6971440, 9062872, 11328590, 12946960, 18125744, 22657180, 45314360, 90628720]

約数ペア:

[(1, 90628720), (2, 45314360), (4, 22657180), (5, 18125744), (7, 12946960), (8, 11328590), (10, 9062872), (13, 6971440), (14, 6473480), (16, 5664295), (20, 4531436), (26, 3485720), (28, 3236740), (35, 2589392), (40, 2265718), (52, 1742860), (56, 1618370), (59, 1536080), (65, 1394288), (70, 1294696), (80, 1132859), (91, 995920), (104, 871430), (112, 809185), (118, 768040), (130, 697144), (140, 647348), (182, 497960), (208, 435715), (211, 429520), (236, 384020), (260, 348572), (280, 323674), (295, 307216), (364, 248980), (413, 219440), (422, 214760), (455, 199184), (472, 192010), (520, 174286), (560, 161837), (590, 153608), (728, 124490), (767, 118160), (826, 109720), (844, 107380), (910, 99592), (944, 96005), (1040, 87143), (1055, 85904), (1180, 76804), (1456, 62245), (1477, 61360), (1534, 59080), (1652, 54860), (1688, 53690), (1820, 49796), (2065, 43888), (2110, 42952), (2360, 38402), (2743, 33040), (2954, 30680), (3068, 29540), (3304, 27430), (3376, 26845), (3640, 24898), (3835, 23632), (4130, 21944), (4220, 21476), (4720, 19201), (5369, 16880), (5486, 16520), (5908, 15340), (6136, 14770), (6608, 13715), (7280, 12449), (7385, 12272), (7670, 11816), (8260, 10972), (8440, 10738)]