264912440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26813}}^1$

素因数の和:26856

約数の個数: 64

約数和(自身を含む): 675712800

約数和(自身を除く): 410800360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 26813, 53626, 107252, 134065, 214504, 268130, 348569, 509447, 536260, 697138, 1018894, 1072520, 1394276, 1742845, 2037788, 2547235, 2788552, 3485690, 4075576, 5094470, 6622811, 6971380, 10188940, 13245622, 13942760, 20377880, 26491244, 33114055, 52982488, 66228110, 132456220, 264912440]

約数ペア:

[(1, 264912440), (2, 132456220), (4, 66228110), (5, 52982488), (8, 33114055), (10, 26491244), (13, 20377880), (19, 13942760), (20, 13245622), (26, 10188940), (38, 6971380), (40, 6622811), (52, 5094470), (65, 4075576), (76, 3485690), (95, 2788552), (104, 2547235), (130, 2037788), (152, 1742845), (190, 1394276), (247, 1072520), (260, 1018894), (380, 697138), (494, 536260), (520, 509447), (760, 348569), (988, 268130), (1235, 214504), (1976, 134065), (2470, 107252), (4940, 53626), (9880, 26813)]