63948280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 167961600

約数和(自身を除く): 104013320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 71, 88, 89, 92, 110, 115, 142, 178, 184, 220, 230, 253, 284, 355, 356, 440, 445, 460, 506, 568, 710, 712, 781, 890, 920, 979, 1012, 1265, 1420, 1562, 1633, 1780, 1958, 2024, 2047, 2530, 2840, 3124, 3266, 3560, 3905, 3916, 4094, 4895, 5060, 6248, 6319, 6532, 7810, 7832, 8165, 8188, 9790, 10120, 10235, 12638, 13064, 15620, 16330, 16376, 17963, 19580, 20470, 22517, 25276, 31240, 31595, 32660, 35926, 39160, 40940, 45034, 50552, 63190, 65320, 69509, 71852, 81880, 89815, 90068, 112585, 126380, 139018, 143704, 145337, 179630, 180136, 225170, 252760, 278036, 290674, 347545, 359260, 450340, 556072, 581348, 695090, 718520, 726685, 900680, 1162696, 1390180, 1453370, 1598707, 2780360, 2906740, 3197414, 5813480, 6394828, 7993535, 12789656, 15987070, 31974140, 63948280]

約数ペア:

[(1, 63948280), (2, 31974140), (4, 15987070), (5, 12789656), (8, 7993535), (10, 6394828), (11, 5813480), (20, 3197414), (22, 2906740), (23, 2780360), (40, 1598707), (44, 1453370), (46, 1390180), (55, 1162696), (71, 900680), (88, 726685), (89, 718520), (92, 695090), (110, 581348), (115, 556072), (142, 450340), (178, 359260), (184, 347545), (220, 290674), (230, 278036), (253, 252760), (284, 225170), (355, 180136), (356, 179630), (440, 145337), (445, 143704), (460, 139018), (506, 126380), (568, 112585), (710, 90068), (712, 89815), (781, 81880), (890, 71852), (920, 69509), (979, 65320), (1012, 63190), (1265, 50552), (1420, 45034), (1562, 40940), (1633, 39160), (1780, 35926), (1958, 32660), (2024, 31595), (2047, 31240), (2530, 25276), (2840, 22517), (3124, 20470), (3266, 19580), (3560, 17963), (3905, 16376), (3916, 16330), (4094, 15620), (4895, 13064), (5060, 12638), (6248, 10235), (6319, 10120), (6532, 9790), (7810, 8188), (7832, 8165)]