217917840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6827}}^1$

素因数の和:6869

約数の個数: 160

約数和(自身を含む): 812805120

約数和(自身を除く): 594887280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 6827, 7980, 10640, 13654, 15960, 20481, 27308, 31920, 34135, 40962, 47789, 54616, 68270, 81924, 95578, 102405, 109232, 129713, 136540, 143367, 163848, 191156, 204810, 238945, 259426, 273080, 286734, 327696, 382312, 389139, 409620, 477890, 518852, 546160, 573468, 648565, 716835, 764624, 778278, 819240, 907991, 955780, 1037704, 1146936, 1297130, 1433670, 1556556, 1638480, 1815982, 1911560, 1945695, 2075408, 2293872, 2594260, 2723973, 2867340, 3113112, 3631964, 3823120, 3891390, 4539955, 5188520, 5447946, 5734680, 6226224, 7263928, 7782780, 9079910, 10377040, 10895892, 11469360, 13619865, 14527856, 15565560, 18159820, 21791784, 27239730, 31131120, 36319640, 43583568, 54479460, 72639280, 108958920, 217917840]

約数ペア:

[(1, 217917840), (2, 108958920), (3, 72639280), (4, 54479460), (5, 43583568), (6, 36319640), (7, 31131120), (8, 27239730), (10, 21791784), (12, 18159820), (14, 15565560), (15, 14527856), (16, 13619865), (19, 11469360), (20, 10895892), (21, 10377040), (24, 9079910), (28, 7782780), (30, 7263928), (35, 6226224), (38, 5734680), (40, 5447946), (42, 5188520), (48, 4539955), (56, 3891390), (57, 3823120), (60, 3631964), (70, 3113112), (76, 2867340), (80, 2723973), (84, 2594260), (95, 2293872), (105, 2075408), (112, 1945695), (114, 1911560), (120, 1815982), (133, 1638480), (140, 1556556), (152, 1433670), (168, 1297130), (190, 1146936), (210, 1037704), (228, 955780), (240, 907991), (266, 819240), (280, 778278), (285, 764624), (304, 716835), (336, 648565), (380, 573468), (399, 546160), (420, 518852), (456, 477890), (532, 409620), (560, 389139), (570, 382312), (665, 327696), (760, 286734), (798, 273080), (840, 259426), (912, 238945), (1064, 204810), (1140, 191156), (1330, 163848), (1520, 143367), (1596, 136540), (1680, 129713), (1995, 109232), (2128, 102405), (2280, 95578), (2660, 81924), (3192, 68270), (3990, 54616), (4560, 47789), (5320, 40962), (6384, 34135), (6827, 31920), (7980, 27308), (10640, 20481), (13654, 15960)]