389104080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5281}}^1$

素因数の和:5604

約数の個数: 80

約数和(自身を含む): 1210380864

約数和(自身を除く): 821276784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 614, 921, 1228, 1535, 1842, 2456, 3070, 3684, 4605, 4912, 5281, 6140, 7368, 9210, 10562, 12280, 14736, 15843, 18420, 21124, 24560, 26405, 31686, 36840, 42248, 52810, 63372, 73680, 79215, 84496, 105620, 126744, 158430, 211240, 253488, 316860, 422480, 633720, 1267440, 1621267, 3242534, 4863801, 6485068, 8106335, 9727602, 12970136, 16212670, 19455204, 24319005, 25940272, 32425340, 38910408, 48638010, 64850680, 77820816, 97276020, 129701360, 194552040, 389104080]

約数ペア:

[(1, 389104080), (2, 194552040), (3, 129701360), (4, 97276020), (5, 77820816), (6, 64850680), (8, 48638010), (10, 38910408), (12, 32425340), (15, 25940272), (16, 24319005), (20, 19455204), (24, 16212670), (30, 12970136), (40, 9727602), (48, 8106335), (60, 6485068), (80, 4863801), (120, 3242534), (240, 1621267), (307, 1267440), (614, 633720), (921, 422480), (1228, 316860), (1535, 253488), (1842, 211240), (2456, 158430), (3070, 126744), (3684, 105620), (4605, 84496), (4912, 79215), (5281, 73680), (6140, 63372), (7368, 52810), (9210, 42248), (10562, 36840), (12280, 31686), (14736, 26405), (15843, 24560), (18420, 21124)]