30311840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 83008800

約数和(自身を除く): 52696960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 59, 65, 76, 80, 95, 104, 118, 130, 152, 160, 169, 190, 208, 236, 247, 260, 295, 304, 338, 380, 416, 472, 494, 520, 590, 608, 676, 760, 767, 845, 944, 988, 1040, 1121, 1180, 1235, 1352, 1520, 1534, 1690, 1888, 1976, 2080, 2242, 2360, 2470, 2704, 3040, 3068, 3211, 3380, 3835, 3952, 4484, 4720, 4940, 5408, 5605, 6136, 6422, 6760, 7670, 7904, 8968, 9440, 9880, 9971, 11210, 12272, 12844, 13520, 14573, 15340, 16055, 17936, 19760, 19942, 22420, 24544, 25688, 27040, 29146, 30680, 32110, 35872, 39520, 39884, 44840, 49855, 51376, 58292, 61360, 64220, 72865, 79768, 89680, 99710, 102752, 116584, 122720, 128440, 145730, 159536, 179360, 189449, 199420, 233168, 256880, 291460, 319072, 378898, 398840, 466336, 513760, 582920, 757796, 797680, 947245, 1165840, 1515592, 1595360, 1894490, 2331680, 3031184, 3788980, 6062368, 7577960, 15155920, 30311840]

約数ペア:

[(1, 30311840), (2, 15155920), (4, 7577960), (5, 6062368), (8, 3788980), (10, 3031184), (13, 2331680), (16, 1894490), (19, 1595360), (20, 1515592), (26, 1165840), (32, 947245), (38, 797680), (40, 757796), (52, 582920), (59, 513760), (65, 466336), (76, 398840), (80, 378898), (95, 319072), (104, 291460), (118, 256880), (130, 233168), (152, 199420), (160, 189449), (169, 179360), (190, 159536), (208, 145730), (236, 128440), (247, 122720), (260, 116584), (295, 102752), (304, 99710), (338, 89680), (380, 79768), (416, 72865), (472, 64220), (494, 61360), (520, 58292), (590, 51376), (608, 49855), (676, 44840), (760, 39884), (767, 39520), (845, 35872), (944, 32110), (988, 30680), (1040, 29146), (1121, 27040), (1180, 25688), (1235, 24544), (1352, 22420), (1520, 19942), (1534, 19760), (1690, 17936), (1888, 16055), (1976, 15340), (2080, 14573), (2242, 13520), (2360, 12844), (2470, 12272), (2704, 11210), (3040, 9971), (3068, 9880), (3211, 9440), (3380, 8968), (3835, 7904), (3952, 7670), (4484, 6760), (4720, 6422), (4940, 6136), (5408, 5605)]