1258492040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:567

約数の個数: 128

約数和(自身を含む): 3135283200

約数和(自身を除く): 1876791160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 89, 104, 130, 142, 178, 260, 284, 355, 356, 383, 445, 520, 568, 710, 712, 766, 890, 923, 1157, 1420, 1532, 1780, 1846, 1915, 2314, 2840, 3064, 3560, 3692, 3830, 4615, 4628, 4979, 5785, 6319, 7384, 7660, 9230, 9256, 9958, 11570, 12638, 15320, 18460, 19916, 23140, 24895, 25276, 27193, 31595, 34087, 36920, 39832, 46280, 49790, 50552, 54386, 63190, 68174, 82147, 99580, 108772, 126380, 135965, 136348, 164294, 170435, 199160, 217544, 252760, 271930, 272696, 328588, 340870, 353509, 410735, 443131, 543860, 657176, 681740, 707018, 821470, 886262, 1087720, 1363480, 1414036, 1642940, 1767545, 1772524, 2215655, 2420177, 2828072, 3285880, 3535090, 3545048, 4431310, 4840354, 7070180, 8862620, 9680708, 12100885, 14140360, 17725240, 19361416, 24201770, 31462301, 48403540, 62924602, 96807080, 125849204, 157311505, 251698408, 314623010, 629246020, 1258492040]

約数ペア:

[(1, 1258492040), (2, 629246020), (4, 314623010), (5, 251698408), (8, 157311505), (10, 125849204), (13, 96807080), (20, 62924602), (26, 48403540), (40, 31462301), (52, 24201770), (65, 19361416), (71, 17725240), (89, 14140360), (104, 12100885), (130, 9680708), (142, 8862620), (178, 7070180), (260, 4840354), (284, 4431310), (355, 3545048), (356, 3535090), (383, 3285880), (445, 2828072), (520, 2420177), (568, 2215655), (710, 1772524), (712, 1767545), (766, 1642940), (890, 1414036), (923, 1363480), (1157, 1087720), (1420, 886262), (1532, 821470), (1780, 707018), (1846, 681740), (1915, 657176), (2314, 543860), (2840, 443131), (3064, 410735), (3560, 353509), (3692, 340870), (3830, 328588), (4615, 272696), (4628, 271930), (4979, 252760), (5785, 217544), (6319, 199160), (7384, 170435), (7660, 164294), (9230, 136348), (9256, 135965), (9958, 126380), (11570, 108772), (12638, 99580), (15320, 82147), (18460, 68174), (19916, 63190), (23140, 54386), (24895, 50552), (25276, 49790), (27193, 46280), (31595, 39832), (34087, 36920)]