721345488

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{21377}}^1$

素因数の和:21444

約数の個数: 80

約数和(自身を含む): 2014662720

約数和(自身を除く): 1293317232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 37, 38, 48, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 304, 444, 456, 592, 703, 888, 912, 1406, 1776, 2109, 2812, 4218, 5624, 8436, 11248, 16872, 21377, 33744, 42754, 64131, 85508, 128262, 171016, 256524, 342032, 406163, 513048, 790949, 812326, 1026096, 1218489, 1581898, 1624652, 2372847, 2436978, 3163796, 3249304, 4745694, 4873956, 6327592, 6498608, 9491388, 9747912, 12655184, 15028031, 18982776, 19495824, 30056062, 37965552, 45084093, 60112124, 90168186, 120224248, 180336372, 240448496, 360672744, 721345488]

約数ペア:

[(1, 721345488), (2, 360672744), (3, 240448496), (4, 180336372), (6, 120224248), (8, 90168186), (12, 60112124), (16, 45084093), (19, 37965552), (24, 30056062), (37, 19495824), (38, 18982776), (48, 15028031), (57, 12655184), (74, 9747912), (76, 9491388), (111, 6498608), (114, 6327592), (148, 4873956), (152, 4745694), (222, 3249304), (228, 3163796), (296, 2436978), (304, 2372847), (444, 1624652), (456, 1581898), (592, 1218489), (703, 1026096), (888, 812326), (912, 790949), (1406, 513048), (1776, 406163), (2109, 342032), (2812, 256524), (4218, 171016), (5624, 128262), (8436, 85508), (11248, 64131), (16872, 42754), (21377, 33744)]