12640800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 43122240

約数和(自身を除く): 30481440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 69, 75, 80, 92, 96, 100, 115, 120, 138, 150, 160, 184, 200, 229, 230, 240, 276, 300, 345, 368, 400, 458, 460, 480, 552, 575, 600, 687, 690, 736, 800, 916, 920, 1104, 1145, 1150, 1200, 1374, 1380, 1725, 1832, 1840, 2208, 2290, 2300, 2400, 2748, 2760, 3435, 3450, 3664, 3680, 4580, 4600, 5267, 5496, 5520, 5725, 6870, 6900, 7328, 9160, 9200, 10534, 10992, 11040, 11450, 13740, 13800, 15801, 17175, 18320, 18400, 21068, 21984, 22900, 26335, 27480, 27600, 31602, 34350, 36640, 42136, 45800, 52670, 54960, 55200, 63204, 68700, 79005, 84272, 91600, 105340, 109920, 126408, 131675, 137400, 158010, 168544, 183200, 210680, 252816, 263350, 274800, 316020, 395025, 421360, 505632, 526700, 549600, 632040, 790050, 842720, 1053400, 1264080, 1580100, 2106800, 2528160, 3160200, 4213600, 6320400, 12640800]

約数ペア:

[(1, 12640800), (2, 6320400), (3, 4213600), (4, 3160200), (5, 2528160), (6, 2106800), (8, 1580100), (10, 1264080), (12, 1053400), (15, 842720), (16, 790050), (20, 632040), (23, 549600), (24, 526700), (25, 505632), (30, 421360), (32, 395025), (40, 316020), (46, 274800), (48, 263350), (50, 252816), (60, 210680), (69, 183200), (75, 168544), (80, 158010), (92, 137400), (96, 131675), (100, 126408), (115, 109920), (120, 105340), (138, 91600), (150, 84272), (160, 79005), (184, 68700), (200, 63204), (229, 55200), (230, 54960), (240, 52670), (276, 45800), (300, 42136), (345, 36640), (368, 34350), (400, 31602), (458, 27600), (460, 27480), (480, 26335), (552, 22900), (575, 21984), (600, 21068), (687, 18400), (690, 18320), (736, 17175), (800, 15801), (916, 13800), (920, 13740), (1104, 11450), (1145, 11040), (1150, 10992), (1200, 10534), (1374, 9200), (1380, 9160), (1725, 7328), (1832, 6900), (1840, 6870), (2208, 5725), (2290, 5520), (2300, 5496), (2400, 5267), (2748, 4600), (2760, 4580), (3435, 3680), (3450, 3664)]