18497520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1117}}^1$

素因数の和:1159

約数の個数: 120

約数和(自身を含む): 64879776

約数和(自身を除く): 46382256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1117, 1380, 1656, 1840, 2070, 2234, 2760, 3312, 3351, 4140, 4468, 5520, 5585, 6702, 8280, 8936, 10053, 11170, 13404, 16560, 16755, 17872, 20106, 22340, 25691, 26808, 33510, 40212, 44680, 50265, 51382, 53616, 67020, 77073, 80424, 89360, 100530, 102764, 128455, 134040, 154146, 160848, 201060, 205528, 231219, 256910, 268080, 308292, 385365, 402120, 411056, 462438, 513820, 616584, 770730, 804240, 924876, 1027640, 1156095, 1233168, 1541460, 1849752, 2055280, 2312190, 3082920, 3699504, 4624380, 6165840, 9248760, 18497520]

約数ペア:

[(1, 18497520), (2, 9248760), (3, 6165840), (4, 4624380), (5, 3699504), (6, 3082920), (8, 2312190), (9, 2055280), (10, 1849752), (12, 1541460), (15, 1233168), (16, 1156095), (18, 1027640), (20, 924876), (23, 804240), (24, 770730), (30, 616584), (36, 513820), (40, 462438), (45, 411056), (46, 402120), (48, 385365), (60, 308292), (69, 268080), (72, 256910), (80, 231219), (90, 205528), (92, 201060), (115, 160848), (120, 154146), (138, 134040), (144, 128455), (180, 102764), (184, 100530), (207, 89360), (230, 80424), (240, 77073), (276, 67020), (345, 53616), (360, 51382), (368, 50265), (414, 44680), (460, 40212), (552, 33510), (690, 26808), (720, 25691), (828, 22340), (920, 20106), (1035, 17872), (1104, 16755), (1117, 16560), (1380, 13404), (1656, 11170), (1840, 10053), (2070, 8936), (2234, 8280), (2760, 6702), (3312, 5585), (3351, 5520), (4140, 4468)]