64973340

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 211891680

約数和(自身を除く): 146918340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 243, 261, 270, 290, 324, 348, 405, 435, 461, 486, 522, 540, 580, 783, 810, 870, 922, 972, 1044, 1215, 1305, 1383, 1566, 1620, 1740, 1844, 2305, 2349, 2430, 2610, 2766, 3132, 3915, 4149, 4610, 4698, 4860, 5220, 5532, 6915, 7047, 7830, 8298, 9220, 9396, 11745, 12447, 13369, 13830, 14094, 15660, 16596, 20745, 23490, 24894, 26738, 27660, 28188, 35235, 37341, 40107, 41490, 46980, 49788, 53476, 62235, 66845, 70470, 74682, 80214, 82980, 112023, 120321, 124470, 133690, 140940, 149364, 160428, 186705, 200535, 224046, 240642, 248940, 267380, 360963, 373410, 401070, 448092, 481284, 560115, 601605, 721926, 746820, 802140, 1082889, 1120230, 1203210, 1443852, 1804815, 2165778, 2240460, 2406420, 3248667, 3609630, 4331556, 5414445, 6497334, 7219260, 10828890, 12994668, 16243335, 21657780, 32486670, 64973340]

約数ペア:

[(1, 64973340), (2, 32486670), (3, 21657780), (4, 16243335), (5, 12994668), (6, 10828890), (9, 7219260), (10, 6497334), (12, 5414445), (15, 4331556), (18, 3609630), (20, 3248667), (27, 2406420), (29, 2240460), (30, 2165778), (36, 1804815), (45, 1443852), (54, 1203210), (58, 1120230), (60, 1082889), (81, 802140), (87, 746820), (90, 721926), (108, 601605), (116, 560115), (135, 481284), (145, 448092), (162, 401070), (174, 373410), (180, 360963), (243, 267380), (261, 248940), (270, 240642), (290, 224046), (324, 200535), (348, 186705), (405, 160428), (435, 149364), (461, 140940), (486, 133690), (522, 124470), (540, 120321), (580, 112023), (783, 82980), (810, 80214), (870, 74682), (922, 70470), (972, 66845), (1044, 62235), (1215, 53476), (1305, 49788), (1383, 46980), (1566, 41490), (1620, 40107), (1740, 37341), (1844, 35235), (2305, 28188), (2349, 27660), (2430, 26738), (2610, 24894), (2766, 23490), (3132, 20745), (3915, 16596), (4149, 15660), (4610, 14094), (4698, 13830), (4860, 13369), (5220, 12447), (5532, 11745), (6915, 9396), (7047, 9220), (7830, 8298)]