720122364

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 2063880000

約数和(自身を除く): 1343757636

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 149, 156, 207, 234, 276, 298, 299, 414, 447, 449, 468, 596, 598, 828, 894, 897, 898, 1196, 1341, 1347, 1788, 1794, 1796, 1937, 2682, 2691, 2694, 3427, 3588, 3874, 4041, 5364, 5382, 5388, 5811, 5837, 6854, 7748, 8082, 10281, 10327, 10764, 11622, 11674, 13708, 16164, 17433, 17511, 20562, 20654, 23244, 23348, 30843, 30981, 34866, 35022, 41124, 41308, 44551, 52533, 61686, 61962, 66901, 69732, 70044, 89102, 92943, 105066, 123372, 123924, 133653, 133802, 134251, 178204, 185886, 200703, 210132, 267306, 267604, 268502, 371772, 400959, 401406, 402753, 534612, 537004, 602109, 801918, 802812, 805506, 869713, 1204218, 1208259, 1538723, 1603836, 1611012, 1739426, 2408436, 2416518, 2609139, 3077446, 3478852, 4616169, 4833036, 5218278, 6154892, 7827417, 9232338, 10436556, 13848507, 15654834, 18464676, 20003399, 27697014, 31309668, 40006798, 55394028, 60010197, 80013596, 120020394, 180030591, 240040788, 360061182, 720122364]

約数ペア:

[(1, 720122364), (2, 360061182), (3, 240040788), (4, 180030591), (6, 120020394), (9, 80013596), (12, 60010197), (13, 55394028), (18, 40006798), (23, 31309668), (26, 27697014), (36, 20003399), (39, 18464676), (46, 15654834), (52, 13848507), (69, 10436556), (78, 9232338), (92, 7827417), (117, 6154892), (138, 5218278), (149, 4833036), (156, 4616169), (207, 3478852), (234, 3077446), (276, 2609139), (298, 2416518), (299, 2408436), (414, 1739426), (447, 1611012), (449, 1603836), (468, 1538723), (596, 1208259), (598, 1204218), (828, 869713), (894, 805506), (897, 802812), (898, 801918), (1196, 602109), (1341, 537004), (1347, 534612), (1788, 402753), (1794, 401406), (1796, 400959), (1937, 371772), (2682, 268502), (2691, 267604), (2694, 267306), (3427, 210132), (3588, 200703), (3874, 185886), (4041, 178204), (5364, 134251), (5382, 133802), (5388, 133653), (5811, 123924), (5837, 123372), (6854, 105066), (7748, 92943), (8082, 89102), (10281, 70044), (10327, 69732), (10764, 66901), (11622, 61962), (11674, 61686), (13708, 52533), (16164, 44551), (17433, 41308), (17511, 41124), (20562, 35022), (20654, 34866), (23244, 30981), (23348, 30843)]