209591760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1805

約数の個数: 160

約数和(自身を含む): 753166080

約数和(自身を除く): 543574320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 168, 210, 219, 240, 280, 292, 336, 365, 420, 438, 511, 560, 584, 730, 840, 876, 1022, 1095, 1168, 1460, 1533, 1680, 1709, 1752, 2044, 2190, 2555, 2920, 3066, 3418, 3504, 4088, 4380, 5110, 5127, 5840, 6132, 6836, 7665, 8176, 8545, 8760, 10220, 10254, 11963, 12264, 13672, 15330, 17090, 17520, 20440, 20508, 23926, 24528, 25635, 27344, 30660, 34180, 35889, 40880, 41016, 47852, 51270, 59815, 61320, 68360, 71778, 82032, 95704, 102540, 119630, 122640, 124757, 136720, 143556, 179445, 191408, 205080, 239260, 249514, 287112, 358890, 374271, 410160, 478520, 499028, 574224, 623785, 717780, 748542, 873299, 957040, 998056, 1247570, 1435560, 1497084, 1746598, 1871355, 1996112, 2495140, 2619897, 2871120, 2994168, 3493196, 3742710, 4366495, 4990280, 5239794, 5988336, 6986392, 7485420, 8732990, 9980560, 10479588, 13099485, 13972784, 14970840, 17465980, 20959176, 26198970, 29941680, 34931960, 41918352, 52397940, 69863920, 104795880, 209591760]

約数ペア:

[(1, 209591760), (2, 104795880), (3, 69863920), (4, 52397940), (5, 41918352), (6, 34931960), (7, 29941680), (8, 26198970), (10, 20959176), (12, 17465980), (14, 14970840), (15, 13972784), (16, 13099485), (20, 10479588), (21, 9980560), (24, 8732990), (28, 7485420), (30, 6986392), (35, 5988336), (40, 5239794), (42, 4990280), (48, 4366495), (56, 3742710), (60, 3493196), (70, 2994168), (73, 2871120), (80, 2619897), (84, 2495140), (105, 1996112), (112, 1871355), (120, 1746598), (140, 1497084), (146, 1435560), (168, 1247570), (210, 998056), (219, 957040), (240, 873299), (280, 748542), (292, 717780), (336, 623785), (365, 574224), (420, 499028), (438, 478520), (511, 410160), (560, 374271), (584, 358890), (730, 287112), (840, 249514), (876, 239260), (1022, 205080), (1095, 191408), (1168, 179445), (1460, 143556), (1533, 136720), (1680, 124757), (1709, 122640), (1752, 119630), (2044, 102540), (2190, 95704), (2555, 82032), (2920, 71778), (3066, 68360), (3418, 61320), (3504, 59815), (4088, 51270), (4380, 47852), (5110, 41016), (5127, 40880), (5840, 35889), (6132, 34180), (6836, 30660), (7665, 27344), (8176, 25635), (8545, 24528), (8760, 23926), (10220, 20508), (10254, 20440), (11963, 17520), (12264, 17090), (13672, 15330)]