1221097080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{367}}^1$

素因数の和:638

約数の個数: 256

約数和(自身を含む): 4464046080

約数和(自身を除く): 3242949000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 233, 238, 255, 280, 340, 357, 367, 408, 420, 466, 476, 510, 595, 680, 699, 714, 734, 840, 932, 952, 1020, 1101, 1165, 1190, 1398, 1428, 1468, 1631, 1785, 1835, 1864, 2040, 2202, 2330, 2380, 2569, 2796, 2856, 2936, 3262, 3495, 3570, 3670, 3961, 4404, 4660, 4760, 4893, 5138, 5505, 5592, 6239, 6524, 6990, 7140, 7340, 7707, 7922, 8155, 8808, 9320, 9786, 10276, 11010, 11883, 12478, 12845, 13048, 13980, 14280, 14680, 15414, 15844, 16310, 18717, 19572, 19805, 20552, 22020, 23766, 24465, 24956, 25690, 27727, 27960, 30828, 31195, 31688, 32620, 37434, 38535, 39144, 39610, 43673, 44040, 47532, 48930, 49912, 51380, 55454, 59415, 61656, 62390, 65240, 74868, 77070, 79220, 83181, 85511, 87346, 93585, 95064, 97860, 102760, 110908, 118830, 124780, 131019, 138635, 149736, 154140, 158440, 166362, 171022, 174692, 187170, 195720, 218365, 221816, 237660, 249560, 256533, 262038, 277270, 308280, 332724, 342044, 349384, 374340, 415905, 427555, 436730, 475320, 513066, 524076, 554540, 598577, 655095, 665448, 684088, 748680, 831810, 855110, 873460, 1026132, 1048152, 1109080, 1197154, 1282665, 1310190, 1453687, 1663620, 1710220, 1746920, 1795731, 2052264, 2394308, 2565330, 2620380, 2907374, 2992885, 3327240, 3420440, 3591462, 4361061, 4788616, 5130660, 5240760, 5814748, 5985770, 7182924, 7268435, 8722122, 8978655, 10175809, 10261320, 11629496, 11971540, 14365848, 14536870, 17444244, 17957310, 20351618, 21805305, 23943080, 29073740, 30527427, 34888488, 35914620, 40703236, 43610610, 50879045, 58147480, 61054854, 71829240, 81406472, 87221220, 101758090, 122109708, 152637135, 174442440, 203516180, 244219416, 305274270, 407032360, 610548540, 1221097080]

約数ペア:

[(1, 1221097080), (2, 610548540), (3, 407032360), (4, 305274270), (5, 244219416), (6, 203516180), (7, 174442440), (8, 152637135), (10, 122109708), (12, 101758090), (14, 87221220), (15, 81406472), (17, 71829240), (20, 61054854), (21, 58147480), (24, 50879045), (28, 43610610), (30, 40703236), (34, 35914620), (35, 34888488), (40, 30527427), (42, 29073740), (51, 23943080), (56, 21805305), (60, 20351618), (68, 17957310), (70, 17444244), (84, 14536870), (85, 14365848), (102, 11971540), (105, 11629496), (119, 10261320), (120, 10175809), (136, 8978655), (140, 8722122), (168, 7268435), (170, 7182924), (204, 5985770), (210, 5814748), (233, 5240760), (238, 5130660), (255, 4788616), (280, 4361061), (340, 3591462), (357, 3420440), (367, 3327240), (408, 2992885), (420, 2907374), (466, 2620380), (476, 2565330), (510, 2394308), (595, 2052264), (680, 1795731), (699, 1746920), (714, 1710220), (734, 1663620), (840, 1453687), (932, 1310190), (952, 1282665), (1020, 1197154), (1101, 1109080), (1165, 1048152), (1190, 1026132), (1398, 873460), (1428, 855110), (1468, 831810), (1631, 748680), (1785, 684088), (1835, 665448), (1864, 655095), (2040, 598577), (2202, 554540), (2330, 524076), (2380, 513066), (2569, 475320), (2796, 436730), (2856, 427555), (2936, 415905), (3262, 374340), (3495, 349384), (3570, 342044), (3670, 332724), (3961, 308280), (4404, 277270), (4660, 262038), (4760, 256533), (4893, 249560), (5138, 237660), (5505, 221816), (5592, 218365), (6239, 195720), (6524, 187170), (6990, 174692), (7140, 171022), (7340, 166362), (7707, 158440), (7922, 154140), (8155, 149736), (8808, 138635), (9320, 131019), (9786, 124780), (10276, 118830), (11010, 110908), (11883, 102760), (12478, 97860), (12845, 95064), (13048, 93585), (13980, 87346), (14280, 85511), (14680, 83181), (15414, 79220), (15844, 77070), (16310, 74868), (18717, 65240), (19572, 62390), (19805, 61656), (20552, 59415), (22020, 55454), (23766, 51380), (24465, 49912), (24956, 48930), (25690, 47532), (27727, 44040), (27960, 43673), (30828, 39610), (31195, 39144), (31688, 38535), (32620, 37434)]