51696540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 181621440

約数和(自身を除く): 129924900

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, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 461, 534, 623, 630, 801, 890, 922, 1068, 1246, 1260, 1335, 1383, 1602, 1780, 1844, 1869, 2305, 2492, 2670, 2766, 3115, 3204, 3227, 3738, 4005, 4149, 4610, 5340, 5532, 5607, 6230, 6454, 6915, 7476, 8010, 8298, 9220, 9345, 9681, 11214, 12460, 12908, 13830, 16020, 16135, 16596, 18690, 19362, 20745, 22428, 27660, 28035, 29043, 32270, 37380, 38724, 41029, 41490, 48405, 56070, 58086, 64540, 82058, 82980, 96810, 112140, 116172, 123087, 145215, 164116, 193620, 205145, 246174, 287203, 290430, 369261, 410290, 492348, 574406, 580860, 615435, 738522, 820580, 861609, 1148812, 1230870, 1436015, 1477044, 1723218, 1846305, 2461740, 2584827, 2872030, 3446436, 3692610, 4308045, 5169654, 5744060, 7385220, 8616090, 10339308, 12924135, 17232180, 25848270, 51696540]

約数ペア:

[(1, 51696540), (2, 25848270), (3, 17232180), (4, 12924135), (5, 10339308), (6, 8616090), (7, 7385220), (9, 5744060), (10, 5169654), (12, 4308045), (14, 3692610), (15, 3446436), (18, 2872030), (20, 2584827), (21, 2461740), (28, 1846305), (30, 1723218), (35, 1477044), (36, 1436015), (42, 1230870), (45, 1148812), (60, 861609), (63, 820580), (70, 738522), (84, 615435), (89, 580860), (90, 574406), (105, 492348), (126, 410290), (140, 369261), (178, 290430), (180, 287203), (210, 246174), (252, 205145), (267, 193620), (315, 164116), (356, 145215), (420, 123087), (445, 116172), (461, 112140), (534, 96810), (623, 82980), (630, 82058), (801, 64540), (890, 58086), (922, 56070), (1068, 48405), (1246, 41490), (1260, 41029), (1335, 38724), (1383, 37380), (1602, 32270), (1780, 29043), (1844, 28035), (1869, 27660), (2305, 22428), (2492, 20745), (2670, 19362), (2766, 18690), (3115, 16596), (3204, 16135), (3227, 16020), (3738, 13830), (4005, 12908), (4149, 12460), (4610, 11214), (5340, 9681), (5532, 9345), (5607, 9220), (6230, 8298), (6454, 8010), (6915, 7476)]