81563760

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:373

約数の個数: 200

約数和(自身を含む): 291137616

約数和(自身を除く): 209573856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 41, 45, 48, 54, 60, 72, 80, 81, 82, 90, 108, 120, 123, 135, 144, 162, 164, 180, 205, 216, 240, 246, 270, 307, 324, 328, 360, 369, 405, 410, 432, 492, 540, 614, 615, 648, 656, 720, 738, 810, 820, 921, 984, 1080, 1107, 1228, 1230, 1296, 1476, 1535, 1620, 1640, 1842, 1845, 1968, 2160, 2214, 2456, 2460, 2763, 2952, 3070, 3240, 3280, 3321, 3684, 3690, 4428, 4605, 4912, 4920, 5526, 5535, 5904, 6140, 6480, 6642, 7368, 7380, 8289, 8856, 9210, 9840, 11052, 11070, 12280, 12587, 13284, 13815, 14736, 14760, 16578, 16605, 17712, 18420, 22104, 22140, 24560, 24867, 25174, 26568, 27630, 29520, 33156, 33210, 36840, 37761, 41445, 44208, 44280, 49734, 50348, 53136, 55260, 62935, 66312, 66420, 73680, 75522, 82890, 88560, 99468, 100696, 110520, 113283, 124335, 125870, 132624, 132840, 151044, 165780, 188805, 198936, 201392, 221040, 226566, 248670, 251740, 265680, 302088, 331560, 339849, 377610, 397872, 453132, 497340, 503480, 566415, 604176, 663120, 679698, 755220, 906264, 994680, 1006960, 1019547, 1132830, 1359396, 1510440, 1699245, 1812528, 1989360, 2039094, 2265660, 2718792, 3020880, 3398490, 4078188, 4531320, 5097735, 5437584, 6796980, 8156376, 9062640, 10195470, 13593960, 16312752, 20390940, 27187920, 40781880, 81563760]

約数ペア:

[(1, 81563760), (2, 40781880), (3, 27187920), (4, 20390940), (5, 16312752), (6, 13593960), (8, 10195470), (9, 9062640), (10, 8156376), (12, 6796980), (15, 5437584), (16, 5097735), (18, 4531320), (20, 4078188), (24, 3398490), (27, 3020880), (30, 2718792), (36, 2265660), (40, 2039094), (41, 1989360), (45, 1812528), (48, 1699245), (54, 1510440), (60, 1359396), (72, 1132830), (80, 1019547), (81, 1006960), (82, 994680), (90, 906264), (108, 755220), (120, 679698), (123, 663120), (135, 604176), (144, 566415), (162, 503480), (164, 497340), (180, 453132), (205, 397872), (216, 377610), (240, 339849), (246, 331560), (270, 302088), (307, 265680), (324, 251740), (328, 248670), (360, 226566), (369, 221040), (405, 201392), (410, 198936), (432, 188805), (492, 165780), (540, 151044), (614, 132840), (615, 132624), (648, 125870), (656, 124335), (720, 113283), (738, 110520), (810, 100696), (820, 99468), (921, 88560), (984, 82890), (1080, 75522), (1107, 73680), (1228, 66420), (1230, 66312), (1296, 62935), (1476, 55260), (1535, 53136), (1620, 50348), (1640, 49734), (1842, 44280), (1845, 44208), (1968, 41445), (2160, 37761), (2214, 36840), (2456, 33210), (2460, 33156), (2763, 29520), (2952, 27630), (3070, 26568), (3240, 25174), (3280, 24867), (3321, 24560), (3684, 22140), (3690, 22104), (4428, 18420), (4605, 17712), (4912, 16605), (4920, 16578), (5526, 14760), (5535, 14736), (5904, 13815), (6140, 13284), (6480, 12587), (6642, 12280), (7368, 11070), (7380, 11052), (8289, 9840), (8856, 9210)]