115217360

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 275555280

約数和(自身を除く): 160337920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 109, 146, 181, 218, 292, 362, 365, 436, 545, 584, 724, 730, 872, 905, 1090, 1168, 1448, 1460, 1744, 1810, 2180, 2896, 2920, 3620, 4360, 5840, 7240, 7957, 8720, 13213, 14480, 15914, 19729, 26426, 31828, 39458, 39785, 52852, 63656, 66065, 78916, 79570, 98645, 105704, 127312, 132130, 157832, 159140, 197290, 211408, 264260, 315664, 318280, 394580, 528520, 636560, 789160, 1057040, 1440217, 1578320, 2880434, 5760868, 7201085, 11521736, 14402170, 23043472, 28804340, 57608680, 115217360]

約数ペア:

[(1, 115217360), (2, 57608680), (4, 28804340), (5, 23043472), (8, 14402170), (10, 11521736), (16, 7201085), (20, 5760868), (40, 2880434), (73, 1578320), (80, 1440217), (109, 1057040), (146, 789160), (181, 636560), (218, 528520), (292, 394580), (362, 318280), (365, 315664), (436, 264260), (545, 211408), (584, 197290), (724, 159140), (730, 157832), (872, 132130), (905, 127312), (1090, 105704), (1168, 98645), (1448, 79570), (1460, 78916), (1744, 66065), (1810, 63656), (2180, 52852), (2896, 39785), (2920, 39458), (3620, 31828), (4360, 26426), (5840, 19729), (7240, 15914), (7957, 14480), (8720, 13213)]