1556155440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{308761}}^1$

素因数の和:308787

約数の個数: 120

約数和(自身を含む): 5972692128

約数和(自身を除く): 4416536688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 308761, 617522, 926283, 1235044, 1543805, 1852566, 2161327, 2470088, 2778849, 3087610, 3705132, 4322654, 4631415, 4940176, 5557698, 6175220, 6483981, 7410264, 8645308, 9262830, 10806635, 11115396, 12350440, 12967962, 13894245, 14820528, 17290616, 18525660, 19451943, 21613270, 22230792, 24700880, 25935924, 27788490, 32419905, 34581232, 37051320, 38903886, 43226540, 44461584, 51871848, 55576980, 64839810, 74102640, 77807772, 86453080, 97259715, 103743696, 111153960, 129679620, 155615544, 172906160, 194519430, 222307920, 259359240, 311231088, 389038860, 518718480, 778077720, 1556155440]

約数ペア:

[(1, 1556155440), (2, 778077720), (3, 518718480), (4, 389038860), (5, 311231088), (6, 259359240), (7, 222307920), (8, 194519430), (9, 172906160), (10, 155615544), (12, 129679620), (14, 111153960), (15, 103743696), (16, 97259715), (18, 86453080), (20, 77807772), (21, 74102640), (24, 64839810), (28, 55576980), (30, 51871848), (35, 44461584), (36, 43226540), (40, 38903886), (42, 37051320), (45, 34581232), (48, 32419905), (56, 27788490), (60, 25935924), (63, 24700880), (70, 22230792), (72, 21613270), (80, 19451943), (84, 18525660), (90, 17290616), (105, 14820528), (112, 13894245), (120, 12967962), (126, 12350440), (140, 11115396), (144, 10806635), (168, 9262830), (180, 8645308), (210, 7410264), (240, 6483981), (252, 6175220), (280, 5557698), (315, 4940176), (336, 4631415), (360, 4322654), (420, 3705132), (504, 3087610), (560, 2778849), (630, 2470088), (720, 2161327), (840, 1852566), (1008, 1543805), (1260, 1235044), (1680, 926283), (2520, 617522), (5040, 308761)]