38917620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 137225088

約数和(自身を除く): 98307468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 67, 70, 84, 90, 105, 126, 134, 140, 180, 201, 210, 252, 268, 315, 335, 402, 420, 461, 469, 603, 630, 670, 804, 922, 938, 1005, 1206, 1260, 1340, 1383, 1407, 1844, 1876, 2010, 2305, 2345, 2412, 2766, 2814, 3015, 3227, 4020, 4149, 4221, 4610, 4690, 5532, 5628, 6030, 6454, 6915, 7035, 8298, 8442, 9220, 9380, 9681, 12060, 12908, 13830, 14070, 16135, 16596, 16884, 19362, 20745, 21105, 27660, 28140, 29043, 30887, 32270, 38724, 41490, 42210, 48405, 58086, 61774, 64540, 82980, 84420, 92661, 96810, 116172, 123548, 145215, 154435, 185322, 193620, 216209, 277983, 290430, 308870, 370644, 432418, 463305, 555966, 580860, 617740, 648627, 864836, 926610, 1081045, 1111932, 1297254, 1389915, 1853220, 1945881, 2162090, 2594508, 2779830, 3243135, 3891762, 4324180, 5559660, 6486270, 7783524, 9729405, 12972540, 19458810, 38917620]

約数ペア:

[(1, 38917620), (2, 19458810), (3, 12972540), (4, 9729405), (5, 7783524), (6, 6486270), (7, 5559660), (9, 4324180), (10, 3891762), (12, 3243135), (14, 2779830), (15, 2594508), (18, 2162090), (20, 1945881), (21, 1853220), (28, 1389915), (30, 1297254), (35, 1111932), (36, 1081045), (42, 926610), (45, 864836), (60, 648627), (63, 617740), (67, 580860), (70, 555966), (84, 463305), (90, 432418), (105, 370644), (126, 308870), (134, 290430), (140, 277983), (180, 216209), (201, 193620), (210, 185322), (252, 154435), (268, 145215), (315, 123548), (335, 116172), (402, 96810), (420, 92661), (461, 84420), (469, 82980), (603, 64540), (630, 61774), (670, 58086), (804, 48405), (922, 42210), (938, 41490), (1005, 38724), (1206, 32270), (1260, 30887), (1340, 29043), (1383, 28140), (1407, 27660), (1844, 21105), (1876, 20745), (2010, 19362), (2305, 16884), (2345, 16596), (2412, 16135), (2766, 14070), (2814, 13830), (3015, 12908), (3227, 12060), (4020, 9681), (4149, 9380), (4221, 9220), (4610, 8442), (4690, 8298), (5532, 7035), (5628, 6915), (6030, 6454)]