1898009880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71569}}^1$

素因数の和:71613

約数の個数: 128

約数和(自身を含む): 6492830400

約数和(自身を除く): 4594820520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8840, 13260, 26520, 71569, 143138, 214707, 286276, 357845, 429414, 572552, 715690, 858828, 930397, 1073535, 1216673, 1431380, 1717656, 1860794, 2147070, 2433346, 2791191, 2862760, 3650019, 3721588, 4294140, 4651985, 4866692, 5582382, 6083365, 7300038, 7443176, 8588280, 9303970, 9733384, 11164764, 12166730, 13955955, 14600076, 15816749, 18250095, 18607940, 22329528, 24333460, 27911910, 29200152, 31633498, 36500190, 37215880, 47450247, 48666920, 55823820, 63266996, 73000380, 79083745, 94900494, 111647640, 126533992, 146000760, 158167490, 189800988, 237251235, 316334980, 379601976, 474502470, 632669960, 949004940, 1898009880]

約数ペア:

[(1, 1898009880), (2, 949004940), (3, 632669960), (4, 474502470), (5, 379601976), (6, 316334980), (8, 237251235), (10, 189800988), (12, 158167490), (13, 146000760), (15, 126533992), (17, 111647640), (20, 94900494), (24, 79083745), (26, 73000380), (30, 63266996), (34, 55823820), (39, 48666920), (40, 47450247), (51, 37215880), (52, 36500190), (60, 31633498), (65, 29200152), (68, 27911910), (78, 24333460), (85, 22329528), (102, 18607940), (104, 18250095), (120, 15816749), (130, 14600076), (136, 13955955), (156, 12166730), (170, 11164764), (195, 9733384), (204, 9303970), (221, 8588280), (255, 7443176), (260, 7300038), (312, 6083365), (340, 5582382), (390, 4866692), (408, 4651985), (442, 4294140), (510, 3721588), (520, 3650019), (663, 2862760), (680, 2791191), (780, 2433346), (884, 2147070), (1020, 1860794), (1105, 1717656), (1326, 1431380), (1560, 1216673), (1768, 1073535), (2040, 930397), (2210, 858828), (2652, 715690), (3315, 572552), (4420, 429414), (5304, 357845), (6630, 286276), (8840, 214707), (13260, 143138), (26520, 71569)]