628045360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1973}}^1$

素因数の和:2182

約数の個数: 80

約数和(自身を含む): 1533276864

約数和(自身を除く): 905231504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 173, 184, 230, 346, 368, 460, 692, 865, 920, 1384, 1730, 1840, 1973, 2768, 3460, 3946, 3979, 6920, 7892, 7958, 9865, 13840, 15784, 15916, 19730, 19895, 31568, 31832, 39460, 39790, 45379, 63664, 78920, 79580, 90758, 157840, 159160, 181516, 226895, 318320, 341329, 363032, 453790, 682658, 726064, 907580, 1365316, 1706645, 1815160, 2730632, 3413290, 3630320, 5461264, 6826580, 7850567, 13653160, 15701134, 27306320, 31402268, 39252835, 62804536, 78505670, 125609072, 157011340, 314022680, 628045360]

約数ペア:

[(1, 628045360), (2, 314022680), (4, 157011340), (5, 125609072), (8, 78505670), (10, 62804536), (16, 39252835), (20, 31402268), (23, 27306320), (40, 15701134), (46, 13653160), (80, 7850567), (92, 6826580), (115, 5461264), (173, 3630320), (184, 3413290), (230, 2730632), (346, 1815160), (368, 1706645), (460, 1365316), (692, 907580), (865, 726064), (920, 682658), (1384, 453790), (1730, 363032), (1840, 341329), (1973, 318320), (2768, 226895), (3460, 181516), (3946, 159160), (3979, 157840), (6920, 90758), (7892, 79580), (7958, 78920), (9865, 63664), (13840, 45379), (15784, 39790), (15916, 39460), (19730, 31832), (19895, 31568)]