319187120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{971}}^1$

素因数の和:1578

約数の個数: 80

約数和(自身を含む): 850445568

約数和(自身を除く): 531258448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 587, 971, 1174, 1942, 2348, 2935, 3884, 4109, 4696, 4855, 5870, 6797, 7768, 8218, 9392, 9710, 11740, 13594, 15536, 16436, 19420, 20545, 23480, 27188, 32872, 33985, 38840, 41090, 46960, 54376, 65744, 67970, 77680, 82180, 108752, 135940, 164360, 271880, 328720, 543760, 569977, 1139954, 2279908, 2849885, 3989839, 4559816, 5699770, 7979678, 9119632, 11399540, 15959356, 19949195, 22799080, 31918712, 39898390, 45598160, 63837424, 79796780, 159593560, 319187120]

約数ペア:

[(1, 319187120), (2, 159593560), (4, 79796780), (5, 63837424), (7, 45598160), (8, 39898390), (10, 31918712), (14, 22799080), (16, 19949195), (20, 15959356), (28, 11399540), (35, 9119632), (40, 7979678), (56, 5699770), (70, 4559816), (80, 3989839), (112, 2849885), (140, 2279908), (280, 1139954), (560, 569977), (587, 543760), (971, 328720), (1174, 271880), (1942, 164360), (2348, 135940), (2935, 108752), (3884, 82180), (4109, 77680), (4696, 67970), (4855, 65744), (5870, 54376), (6797, 46960), (7768, 41090), (8218, 38840), (9392, 33985), (9710, 32872), (11740, 27188), (13594, 23480), (15536, 20545), (16436, 19420)]