220787840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 256

約数和(自身を含む): 690923520

約数和(自身を除く): 470135680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 64, 65, 68, 70, 80, 85, 91, 104, 112, 119, 128, 130, 136, 140, 160, 170, 182, 208, 221, 223, 224, 238, 260, 272, 280, 320, 340, 364, 416, 442, 446, 448, 455, 476, 520, 544, 560, 595, 640, 680, 728, 832, 884, 892, 896, 910, 952, 1040, 1088, 1105, 1115, 1120, 1190, 1360, 1456, 1547, 1561, 1664, 1768, 1784, 1820, 1904, 2080, 2176, 2210, 2230, 2240, 2380, 2720, 2899, 2912, 3094, 3122, 3536, 3568, 3640, 3791, 3808, 4160, 4420, 4460, 4480, 4760, 5440, 5798, 5824, 6188, 6244, 7072, 7136, 7280, 7582, 7616, 7735, 7805, 8320, 8840, 8920, 9520, 10880, 11596, 11648, 12376, 12488, 14144, 14272, 14495, 14560, 15164, 15232, 15470, 15610, 17680, 17840, 18955, 19040, 20293, 23192, 24752, 24976, 26537, 28288, 28544, 28990, 29120, 30328, 30940, 31220, 35360, 35680, 37910, 38080, 40586, 46384, 49283, 49504, 49952, 53074, 57980, 58240, 60656, 61880, 62440, 70720, 71360, 75820, 76160, 81172, 92768, 98566, 99008, 99904, 101465, 106148, 115960, 121312, 123760, 124880, 132685, 141440, 142720, 151640, 162344, 185536, 197132, 198016, 199808, 202930, 212296, 231920, 242624, 246415, 247520, 249760, 265370, 303280, 324688, 344981, 371072, 394264, 405860, 424592, 463840, 485248, 492830, 495040, 499520, 530740, 606560, 649376, 689962, 788528, 811720, 849184, 927680, 985660, 990080, 999040, 1061480, 1213120, 1298752, 1379924, 1577056, 1623440, 1698368, 1724905, 1855360, 1971320, 2122960, 2426240, 2597504, 2759848, 3154112, 3246880, 3396736, 3449810, 3942640, 4245920, 5519696, 6308224, 6493760, 6899620, 7885280, 8491840, 11039392, 12987520, 13799240, 15770560, 16983680, 22078784, 27598480, 31541120, 44157568, 55196960, 110393920, 220787840]

約数ペア:

[(1, 220787840), (2, 110393920), (4, 55196960), (5, 44157568), (7, 31541120), (8, 27598480), (10, 22078784), (13, 16983680), (14, 15770560), (16, 13799240), (17, 12987520), (20, 11039392), (26, 8491840), (28, 7885280), (32, 6899620), (34, 6493760), (35, 6308224), (40, 5519696), (52, 4245920), (56, 3942640), (64, 3449810), (65, 3396736), (68, 3246880), (70, 3154112), (80, 2759848), (85, 2597504), (91, 2426240), (104, 2122960), (112, 1971320), (119, 1855360), (128, 1724905), (130, 1698368), (136, 1623440), (140, 1577056), (160, 1379924), (170, 1298752), (182, 1213120), (208, 1061480), (221, 999040), (223, 990080), (224, 985660), (238, 927680), (260, 849184), (272, 811720), (280, 788528), (320, 689962), (340, 649376), (364, 606560), (416, 530740), (442, 499520), (446, 495040), (448, 492830), (455, 485248), (476, 463840), (520, 424592), (544, 405860), (560, 394264), (595, 371072), (640, 344981), (680, 324688), (728, 303280), (832, 265370), (884, 249760), (892, 247520), (896, 246415), (910, 242624), (952, 231920), (1040, 212296), (1088, 202930), (1105, 199808), (1115, 198016), (1120, 197132), (1190, 185536), (1360, 162344), (1456, 151640), (1547, 142720), (1561, 141440), (1664, 132685), (1768, 124880), (1784, 123760), (1820, 121312), (1904, 115960), (2080, 106148), (2176, 101465), (2210, 99904), (2230, 99008), (2240, 98566), (2380, 92768), (2720, 81172), (2899, 76160), (2912, 75820), (3094, 71360), (3122, 70720), (3536, 62440), (3568, 61880), (3640, 60656), (3791, 58240), (3808, 57980), (4160, 53074), (4420, 49952), (4460, 49504), (4480, 49283), (4760, 46384), (5440, 40586), (5798, 38080), (5824, 37910), (6188, 35680), (6244, 35360), (7072, 31220), (7136, 30940), (7280, 30328), (7582, 29120), (7616, 28990), (7735, 28544), (7805, 28288), (8320, 26537), (8840, 24976), (8920, 24752), (9520, 23192), (10880, 20293), (11596, 19040), (11648, 18955), (12376, 17840), (12488, 17680), (14144, 15610), (14272, 15470), (14495, 15232), (14560, 15164)]