31461360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 160

約数和(自身を含む): 113659392

約数和(自身を除く): 82198032

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, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 307, 336, 366, 420, 427, 488, 560, 610, 614, 732, 840, 854, 915, 921, 976, 1220, 1228, 1281, 1464, 1535, 1680, 1708, 1830, 1842, 2135, 2149, 2440, 2456, 2562, 2928, 3070, 3416, 3660, 3684, 4270, 4298, 4605, 4880, 4912, 5124, 6140, 6405, 6447, 6832, 7320, 7368, 8540, 8596, 9210, 10248, 10745, 12280, 12810, 12894, 14640, 14736, 17080, 17192, 18420, 18727, 20496, 21490, 24560, 25620, 25788, 32235, 34160, 34384, 36840, 37454, 42980, 51240, 51576, 56181, 64470, 73680, 74908, 85960, 93635, 102480, 103152, 112362, 128940, 131089, 149816, 171920, 187270, 224724, 257880, 262178, 280905, 299632, 374540, 393267, 449448, 515760, 524356, 561810, 655445, 749080, 786534, 898896, 1048712, 1123620, 1310890, 1498160, 1573068, 1966335, 2097424, 2247240, 2621780, 3146136, 3932670, 4494480, 5243560, 6292272, 7865340, 10487120, 15730680, 31461360]

約数ペア:

[(1, 31461360), (2, 15730680), (3, 10487120), (4, 7865340), (5, 6292272), (6, 5243560), (7, 4494480), (8, 3932670), (10, 3146136), (12, 2621780), (14, 2247240), (15, 2097424), (16, 1966335), (20, 1573068), (21, 1498160), (24, 1310890), (28, 1123620), (30, 1048712), (35, 898896), (40, 786534), (42, 749080), (48, 655445), (56, 561810), (60, 524356), (61, 515760), (70, 449448), (80, 393267), (84, 374540), (105, 299632), (112, 280905), (120, 262178), (122, 257880), (140, 224724), (168, 187270), (183, 171920), (210, 149816), (240, 131089), (244, 128940), (280, 112362), (305, 103152), (307, 102480), (336, 93635), (366, 85960), (420, 74908), (427, 73680), (488, 64470), (560, 56181), (610, 51576), (614, 51240), (732, 42980), (840, 37454), (854, 36840), (915, 34384), (921, 34160), (976, 32235), (1220, 25788), (1228, 25620), (1281, 24560), (1464, 21490), (1535, 20496), (1680, 18727), (1708, 18420), (1830, 17192), (1842, 17080), (2135, 14736), (2149, 14640), (2440, 12894), (2456, 12810), (2562, 12280), (2928, 10745), (3070, 10248), (3416, 9210), (3660, 8596), (3684, 8540), (4270, 7368), (4298, 7320), (4605, 6832), (4880, 6447), (4912, 6405), (5124, 6140)]