18545040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:661

約数の個数: 120

約数和(自身を含む): 63835200

約数和(自身を除く): 45290160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 599, 645, 688, 720, 774, 860, 1032, 1198, 1290, 1548, 1720, 1797, 1935, 2064, 2396, 2580, 2995, 3096, 3440, 3594, 3870, 4792, 5160, 5391, 5990, 6192, 7188, 7740, 8985, 9584, 10320, 10782, 11980, 14376, 15480, 17970, 21564, 23960, 25757, 26955, 28752, 30960, 35940, 43128, 47920, 51514, 53910, 71880, 77271, 86256, 103028, 107820, 128785, 143760, 154542, 206056, 215640, 231813, 257570, 309084, 386355, 412112, 431280, 463626, 515140, 618168, 772710, 927252, 1030280, 1159065, 1236336, 1545420, 1854504, 2060560, 2318130, 3090840, 3709008, 4636260, 6181680, 9272520, 18545040]

約数ペア:

[(1, 18545040), (2, 9272520), (3, 6181680), (4, 4636260), (5, 3709008), (6, 3090840), (8, 2318130), (9, 2060560), (10, 1854504), (12, 1545420), (15, 1236336), (16, 1159065), (18, 1030280), (20, 927252), (24, 772710), (30, 618168), (36, 515140), (40, 463626), (43, 431280), (45, 412112), (48, 386355), (60, 309084), (72, 257570), (80, 231813), (86, 215640), (90, 206056), (120, 154542), (129, 143760), (144, 128785), (172, 107820), (180, 103028), (215, 86256), (240, 77271), (258, 71880), (344, 53910), (360, 51514), (387, 47920), (430, 43128), (516, 35940), (599, 30960), (645, 28752), (688, 26955), (720, 25757), (774, 23960), (860, 21564), (1032, 17970), (1198, 15480), (1290, 14376), (1548, 11980), (1720, 10782), (1797, 10320), (1935, 9584), (2064, 8985), (2396, 7740), (2580, 7188), (2995, 6192), (3096, 5990), (3440, 5391), (3594, 5160), (3870, 4792)]