726451120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{919}}^1$

素因数の和:1214

約数の個数: 80

約数和(自身を含む): 1739263680

約数和(自身を除く): 1012812560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 241, 328, 410, 482, 656, 820, 919, 964, 1205, 1640, 1838, 1928, 2410, 3280, 3676, 3856, 4595, 4820, 7352, 9190, 9640, 9881, 14704, 18380, 19280, 19762, 36760, 37679, 39524, 49405, 73520, 75358, 79048, 98810, 150716, 158096, 188395, 197620, 221479, 301432, 376790, 395240, 442958, 602864, 753580, 790480, 885916, 1107395, 1507160, 1771832, 2214790, 3014320, 3543664, 4429580, 8859160, 9080639, 17718320, 18161278, 36322556, 45403195, 72645112, 90806390, 145290224, 181612780, 363225560, 726451120]

約数ペア:

[(1, 726451120), (2, 363225560), (4, 181612780), (5, 145290224), (8, 90806390), (10, 72645112), (16, 45403195), (20, 36322556), (40, 18161278), (41, 17718320), (80, 9080639), (82, 8859160), (164, 4429580), (205, 3543664), (241, 3014320), (328, 2214790), (410, 1771832), (482, 1507160), (656, 1107395), (820, 885916), (919, 790480), (964, 753580), (1205, 602864), (1640, 442958), (1838, 395240), (1928, 376790), (2410, 301432), (3280, 221479), (3676, 197620), (3856, 188395), (4595, 158096), (4820, 150716), (7352, 98810), (9190, 79048), (9640, 75358), (9881, 73520), (14704, 49405), (18380, 39524), (19280, 37679), (19762, 36760)]