864904960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 2175731712

約数和(自身を除く): 1310826752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 248, 256, 284, 307, 310, 320, 355, 496, 568, 614, 620, 640, 710, 992, 1136, 1228, 1240, 1280, 1420, 1535, 1984, 2201, 2272, 2456, 2480, 2840, 3070, 3968, 4402, 4544, 4912, 4960, 5680, 6140, 7936, 8804, 9088, 9517, 9824, 9920, 11005, 11360, 12280, 17608, 18176, 19034, 19648, 19840, 21797, 22010, 22720, 24560, 35216, 38068, 39296, 39680, 43594, 44020, 45440, 47585, 49120, 70432, 76136, 78592, 87188, 88040, 90880, 95170, 98240, 108985, 140864, 152272, 174376, 176080, 190340, 196480, 217970, 281728, 304544, 348752, 352160, 380680, 392960, 435940, 563456, 609088, 675707, 697504, 704320, 761360, 871880, 1218176, 1351414, 1395008, 1408640, 1522720, 1743760, 2436352, 2702828, 2790016, 2817280, 3045440, 3378535, 3487520, 5405656, 5580032, 6090880, 6757070, 6975040, 10811312, 12181760, 13514140, 13950080, 21622624, 27028280, 27900160, 43245248, 54056560, 86490496, 108113120, 172980992, 216226240, 432452480, 864904960]

約数ペア:

[(1, 864904960), (2, 432452480), (4, 216226240), (5, 172980992), (8, 108113120), (10, 86490496), (16, 54056560), (20, 43245248), (31, 27900160), (32, 27028280), (40, 21622624), (62, 13950080), (64, 13514140), (71, 12181760), (80, 10811312), (124, 6975040), (128, 6757070), (142, 6090880), (155, 5580032), (160, 5405656), (248, 3487520), (256, 3378535), (284, 3045440), (307, 2817280), (310, 2790016), (320, 2702828), (355, 2436352), (496, 1743760), (568, 1522720), (614, 1408640), (620, 1395008), (640, 1351414), (710, 1218176), (992, 871880), (1136, 761360), (1228, 704320), (1240, 697504), (1280, 675707), (1420, 609088), (1535, 563456), (1984, 435940), (2201, 392960), (2272, 380680), (2456, 352160), (2480, 348752), (2840, 304544), (3070, 281728), (3968, 217970), (4402, 196480), (4544, 190340), (4912, 176080), (4960, 174376), (5680, 152272), (6140, 140864), (7936, 108985), (8804, 98240), (9088, 95170), (9517, 90880), (9824, 88040), (9920, 87188), (11005, 78592), (11360, 76136), (12280, 70432), (17608, 49120), (18176, 47585), (19034, 45440), (19648, 44020), (19840, 43594), (21797, 39680), (22010, 39296), (22720, 38068), (24560, 35216)]