51861870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1551

約数の個数: 80

約数和(自身を含む): 142789680

約数和(自身を除く): 90927810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 81, 86, 90, 129, 135, 162, 215, 258, 270, 387, 405, 430, 645, 774, 810, 1161, 1290, 1489, 1935, 2322, 2978, 3483, 3870, 4467, 5805, 6966, 7445, 8934, 11610, 13401, 14890, 17415, 22335, 26802, 34830, 40203, 44670, 64027, 67005, 80406, 120609, 128054, 134010, 192081, 201015, 241218, 320135, 384162, 402030, 576243, 603045, 640270, 960405, 1152486, 1206090, 1728729, 1920810, 2881215, 3457458, 5186187, 5762430, 8643645, 10372374, 17287290, 25930935, 51861870]

約数ペア:

[(1, 51861870), (2, 25930935), (3, 17287290), (5, 10372374), (6, 8643645), (9, 5762430), (10, 5186187), (15, 3457458), (18, 2881215), (27, 1920810), (30, 1728729), (43, 1206090), (45, 1152486), (54, 960405), (81, 640270), (86, 603045), (90, 576243), (129, 402030), (135, 384162), (162, 320135), (215, 241218), (258, 201015), (270, 192081), (387, 134010), (405, 128054), (430, 120609), (645, 80406), (774, 67005), (810, 64027), (1161, 44670), (1290, 40203), (1489, 34830), (1935, 26802), (2322, 22335), (2978, 17415), (3483, 14890), (3870, 13401), (4467, 11610), (5805, 8934), (6966, 7445)]