1217366920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4441}}^1$

素因数の和:4559

約数の個数: 128

約数和(自身を含む): 3454099200

約数和(自身を除く): 2236732280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 89, 110, 140, 154, 178, 220, 280, 308, 356, 385, 440, 445, 616, 623, 712, 770, 890, 979, 1246, 1540, 1780, 1958, 2492, 3080, 3115, 3560, 3916, 4441, 4895, 4984, 6230, 6853, 7832, 8882, 9790, 12460, 13706, 17764, 19580, 22205, 24920, 27412, 31087, 34265, 35528, 39160, 44410, 48851, 54824, 62174, 68530, 88820, 97702, 124348, 137060, 155435, 177640, 195404, 244255, 248696, 274120, 310870, 341957, 390808, 395249, 488510, 621740, 683914, 790498, 977020, 1243480, 1367828, 1580996, 1709785, 1954040, 1976245, 2735656, 2766743, 3161992, 3419570, 3952490, 4347739, 5533486, 6839140, 7904980, 8695478, 11066972, 13678280, 13833715, 15809960, 17390956, 21738695, 22133944, 27667430, 30434173, 34781912, 43477390, 55334860, 60868346, 86954780, 110669720, 121736692, 152170865, 173909560, 243473384, 304341730, 608683460, 1217366920]

約数ペア:

[(1, 1217366920), (2, 608683460), (4, 304341730), (5, 243473384), (7, 173909560), (8, 152170865), (10, 121736692), (11, 110669720), (14, 86954780), (20, 60868346), (22, 55334860), (28, 43477390), (35, 34781912), (40, 30434173), (44, 27667430), (55, 22133944), (56, 21738695), (70, 17390956), (77, 15809960), (88, 13833715), (89, 13678280), (110, 11066972), (140, 8695478), (154, 7904980), (178, 6839140), (220, 5533486), (280, 4347739), (308, 3952490), (356, 3419570), (385, 3161992), (440, 2766743), (445, 2735656), (616, 1976245), (623, 1954040), (712, 1709785), (770, 1580996), (890, 1367828), (979, 1243480), (1246, 977020), (1540, 790498), (1780, 683914), (1958, 621740), (2492, 488510), (3080, 395249), (3115, 390808), (3560, 341957), (3916, 310870), (4441, 274120), (4895, 248696), (4984, 244255), (6230, 195404), (6853, 177640), (7832, 155435), (8882, 137060), (9790, 124348), (12460, 97702), (13706, 88820), (17764, 68530), (19580, 62174), (22205, 54824), (24920, 48851), (27412, 44410), (31087, 39160), (34265, 35528)]