156955221760

素因数分解:

$2^8\times 5^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1\times {\mathrm{1367}}^1$

素因数の和:1990

約数の個数: 144

約数和(自身を含む): 378760983552

約数和(自身を除く): 221805761792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 271, 320, 331, 542, 640, 662, 1084, 1280, 1324, 1355, 1367, 1655, 2168, 2648, 2710, 2734, 3310, 4336, 5296, 5420, 5468, 6620, 6835, 8672, 10592, 10840, 10936, 13240, 13670, 17344, 21184, 21680, 21872, 26480, 27340, 34688, 42368, 43360, 43744, 52960, 54680, 69376, 84736, 86720, 87488, 89701, 105920, 109360, 173440, 174976, 179402, 211840, 218720, 346880, 349952, 358804, 370457, 423680, 437440, 448505, 452477, 717608, 740914, 874880, 897010, 904954, 1435216, 1481828, 1749760, 1794020, 1809908, 1852285, 2262385, 2870432, 2963656, 3588040, 3619816, 3704570, 4524770, 5740864, 5927312, 7176080, 7239632, 7409140, 9049540, 11481728, 11854624, 14352160, 14479264, 14818280, 18099080, 22963456, 23709248, 28704320, 28958528, 29636560, 36198160, 47418496, 57408640, 57917056, 59273120, 72396320, 94836992, 114817280, 115834112, 118546240, 122621267, 144792640, 237092480, 245242534, 289585280, 474184960, 490485068, 579170560, 613106335, 980970136, 1226212670, 1961940272, 2452425340, 3923880544, 4904850680, 7847761088, 9809701360, 15695522176, 19619402720, 31391044352, 39238805440, 78477610880, 156955221760]

約数ペア:

[(1, 156955221760), (2, 78477610880), (4, 39238805440), (5, 31391044352), (8, 19619402720), (10, 15695522176), (16, 9809701360), (20, 7847761088), (32, 4904850680), (40, 3923880544), (64, 2452425340), (80, 1961940272), (128, 1226212670), (160, 980970136), (256, 613106335), (271, 579170560), (320, 490485068), (331, 474184960), (542, 289585280), (640, 245242534), (662, 237092480), (1084, 144792640), (1280, 122621267), (1324, 118546240), (1355, 115834112), (1367, 114817280), (1655, 94836992), (2168, 72396320), (2648, 59273120), (2710, 57917056), (2734, 57408640), (3310, 47418496), (4336, 36198160), (5296, 29636560), (5420, 28958528), (5468, 28704320), (6620, 23709248), (6835, 22963456), (8672, 18099080), (10592, 14818280), (10840, 14479264), (10936, 14352160), (13240, 11854624), (13670, 11481728), (17344, 9049540), (21184, 7409140), (21680, 7239632), (21872, 7176080), (26480, 5927312), (27340, 5740864), (34688, 4524770), (42368, 3704570), (43360, 3619816), (43744, 3588040), (52960, 2963656), (54680, 2870432), (69376, 2262385), (84736, 1852285), (86720, 1809908), (87488, 1794020), (89701, 1749760), (105920, 1481828), (109360, 1435216), (173440, 904954), (174976, 897010), (179402, 874880), (211840, 740914), (218720, 717608), (346880, 452477), (349952, 448505), (358804, 437440), (370457, 423680)]