51213960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{20323}}^1$

素因数の和:20347

約数の個数: 96

約数和(自身を含む): 190232640

約数和(自身を除く): 139018680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 20323, 40646, 60969, 81292, 101615, 121938, 142261, 162584, 182907, 203230, 243876, 284522, 304845, 365814, 406460, 426783, 487752, 569044, 609690, 711305, 731628, 812920, 853566, 914535, 1138088, 1219380, 1280349, 1422610, 1463256, 1707132, 1829070, 2133915, 2438760, 2560698, 2845220, 3414264, 3658140, 4267830, 5121396, 5690440, 6401745, 7316280, 8535660, 10242792, 12803490, 17071320, 25606980, 51213960]

約数ペア:

[(1, 51213960), (2, 25606980), (3, 17071320), (4, 12803490), (5, 10242792), (6, 8535660), (7, 7316280), (8, 6401745), (9, 5690440), (10, 5121396), (12, 4267830), (14, 3658140), (15, 3414264), (18, 2845220), (20, 2560698), (21, 2438760), (24, 2133915), (28, 1829070), (30, 1707132), (35, 1463256), (36, 1422610), (40, 1280349), (42, 1219380), (45, 1138088), (56, 914535), (60, 853566), (63, 812920), (70, 731628), (72, 711305), (84, 609690), (90, 569044), (105, 487752), (120, 426783), (126, 406460), (140, 365814), (168, 304845), (180, 284522), (210, 243876), (252, 203230), (280, 182907), (315, 162584), (360, 142261), (420, 121938), (504, 101615), (630, 81292), (840, 60969), (1260, 40646), (2520, 20323)]