20702211680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2197

約数の個数: 192

約数和(自身を含む): 53299814400

約数和(自身を除く): 32597602720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 80, 89, 92, 115, 124, 155, 160, 178, 184, 230, 248, 310, 356, 368, 445, 460, 496, 620, 712, 713, 736, 890, 920, 992, 1240, 1424, 1426, 1780, 1840, 2039, 2047, 2480, 2759, 2848, 2852, 3560, 3565, 3680, 4078, 4094, 4960, 5518, 5704, 7120, 7130, 8156, 8188, 10195, 10235, 11036, 11408, 13795, 14240, 14260, 16312, 16376, 20390, 20470, 22072, 22816, 27590, 28520, 32624, 32752, 40780, 40940, 44144, 46897, 55180, 57040, 63209, 63457, 65248, 65504, 81560, 81880, 88288, 93794, 110360, 114080, 126418, 126914, 163120, 163760, 181471, 187588, 220720, 234485, 252836, 253828, 316045, 317285, 326240, 327520, 362942, 375176, 441440, 468970, 505672, 507656, 632090, 634570, 725884, 750352, 907355, 937940, 1011344, 1015312, 1264180, 1269140, 1451768, 1453807, 1500704, 1814710, 1875880, 2022688, 2030624, 2528360, 2538280, 2903536, 2907614, 3629420, 3751760, 4173833, 5056720, 5076560, 5625601, 5807072, 5815228, 7258840, 7269035, 7503520, 8347666, 10113440, 10153120, 11251202, 11630456, 14517680, 14538070, 16695332, 20869165, 22502404, 23260912, 28128005, 29035360, 29076140, 33390664, 41738330, 45004808, 46521824, 56256010, 58152280, 66781328, 83476660, 90009616, 112512020, 116304560, 129388823, 133562656, 166953320, 180019232, 225024040, 232609120, 258777646, 333906640, 450048080, 517555292, 646944115, 667813280, 900096160, 1035110584, 1293888230, 2070221168, 2587776460, 4140442336, 5175552920, 10351105840, 20702211680]

約数ペア:

[(1, 20702211680), (2, 10351105840), (4, 5175552920), (5, 4140442336), (8, 2587776460), (10, 2070221168), (16, 1293888230), (20, 1035110584), (23, 900096160), (31, 667813280), (32, 646944115), (40, 517555292), (46, 450048080), (62, 333906640), (80, 258777646), (89, 232609120), (92, 225024040), (115, 180019232), (124, 166953320), (155, 133562656), (160, 129388823), (178, 116304560), (184, 112512020), (230, 90009616), (248, 83476660), (310, 66781328), (356, 58152280), (368, 56256010), (445, 46521824), (460, 45004808), (496, 41738330), (620, 33390664), (712, 29076140), (713, 29035360), (736, 28128005), (890, 23260912), (920, 22502404), (992, 20869165), (1240, 16695332), (1424, 14538070), (1426, 14517680), (1780, 11630456), (1840, 11251202), (2039, 10153120), (2047, 10113440), (2480, 8347666), (2759, 7503520), (2848, 7269035), (2852, 7258840), (3560, 5815228), (3565, 5807072), (3680, 5625601), (4078, 5076560), (4094, 5056720), (4960, 4173833), (5518, 3751760), (5704, 3629420), (7120, 2907614), (7130, 2903536), (8156, 2538280), (8188, 2528360), (10195, 2030624), (10235, 2022688), (11036, 1875880), (11408, 1814710), (13795, 1500704), (14240, 1453807), (14260, 1451768), (16312, 1269140), (16376, 1264180), (20390, 1015312), (20470, 1011344), (22072, 937940), (22816, 907355), (27590, 750352), (28520, 725884), (32624, 634570), (32752, 632090), (40780, 507656), (40940, 505672), (44144, 468970), (46897, 441440), (55180, 375176), (57040, 362942), (63209, 327520), (63457, 326240), (65248, 317285), (65504, 316045), (81560, 253828), (81880, 252836), (88288, 234485), (93794, 220720), (110360, 187588), (114080, 181471), (126418, 163760), (126914, 163120)]