621078640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{85313}}^1$

素因数の和:85346

約数の個数: 80

約数和(自身を含む): 1777261248

約数和(自身を除く): 1156182608

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 85313, 170626, 341252, 426565, 597191, 682504, 853130, 1109069, 1194382, 1365008, 1706260, 2218138, 2388764, 2985955, 3412520, 4436276, 4777528, 5545345, 5971910, 6825040, 7763483, 8872552, 9555056, 11090690, 11943820, 15526966, 17745104, 22181380, 23887640, 31053932, 38817415, 44362760, 47775280, 62107864, 77634830, 88725520, 124215728, 155269660, 310539320, 621078640]

約数ペア:

[(1, 621078640), (2, 310539320), (4, 155269660), (5, 124215728), (7, 88725520), (8, 77634830), (10, 62107864), (13, 47775280), (14, 44362760), (16, 38817415), (20, 31053932), (26, 23887640), (28, 22181380), (35, 17745104), (40, 15526966), (52, 11943820), (56, 11090690), (65, 9555056), (70, 8872552), (80, 7763483), (91, 6825040), (104, 5971910), (112, 5545345), (130, 4777528), (140, 4436276), (182, 3412520), (208, 2985955), (260, 2388764), (280, 2218138), (364, 1706260), (455, 1365008), (520, 1194382), (560, 1109069), (728, 853130), (910, 682504), (1040, 597191), (1456, 426565), (1820, 341252), (3640, 170626), (7280, 85313)]