644551080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5431}}^1$

素因数の和:5511

約数の個数: 128

約数和(自身を含む): 2065029120

約数和(自身を除く): 1420478040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 460, 516, 552, 645, 690, 860, 920, 989, 1032, 1290, 1380, 1720, 1978, 2580, 2760, 2967, 3956, 4945, 5160, 5431, 5934, 7912, 9890, 10862, 11868, 14835, 16293, 19780, 21724, 23736, 27155, 29670, 32586, 39560, 43448, 54310, 59340, 65172, 81465, 108620, 118680, 124913, 130344, 162930, 217240, 233533, 249826, 325860, 374739, 467066, 499652, 624565, 651720, 700599, 749478, 934132, 999304, 1167665, 1249130, 1401198, 1498956, 1868264, 1873695, 2335330, 2498260, 2802396, 2997912, 3502995, 3747390, 4670660, 4996520, 5371259, 5604792, 7005990, 7494780, 9341320, 10742518, 14011980, 14989560, 16113777, 21485036, 26856295, 28023960, 32227554, 42970072, 53712590, 64455108, 80568885, 107425180, 128910216, 161137770, 214850360, 322275540, 644551080]

約数ペア:

[(1, 644551080), (2, 322275540), (3, 214850360), (4, 161137770), (5, 128910216), (6, 107425180), (8, 80568885), (10, 64455108), (12, 53712590), (15, 42970072), (20, 32227554), (23, 28023960), (24, 26856295), (30, 21485036), (40, 16113777), (43, 14989560), (46, 14011980), (60, 10742518), (69, 9341320), (86, 7494780), (92, 7005990), (115, 5604792), (120, 5371259), (129, 4996520), (138, 4670660), (172, 3747390), (184, 3502995), (215, 2997912), (230, 2802396), (258, 2498260), (276, 2335330), (344, 1873695), (345, 1868264), (430, 1498956), (460, 1401198), (516, 1249130), (552, 1167665), (645, 999304), (690, 934132), (860, 749478), (920, 700599), (989, 651720), (1032, 624565), (1290, 499652), (1380, 467066), (1720, 374739), (1978, 325860), (2580, 249826), (2760, 233533), (2967, 217240), (3956, 162930), (4945, 130344), (5160, 124913), (5431, 118680), (5934, 108620), (7912, 81465), (9890, 65172), (10862, 59340), (11868, 54310), (14835, 43448), (16293, 39560), (19780, 32586), (21724, 29670), (23736, 27155)]