221473440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:793

約数の個数: 240

約数和(自身を含む): 816697728

約数和(自身を除く): 595224288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 162, 180, 184, 207, 216, 230, 240, 270, 276, 288, 324, 345, 360, 368, 405, 414, 432, 460, 480, 540, 552, 621, 648, 690, 720, 736, 743, 810, 828, 864, 920, 1035, 1080, 1104, 1242, 1296, 1380, 1440, 1486, 1620, 1656, 1840, 1863, 2070, 2160, 2208, 2229, 2484, 2592, 2760, 2972, 3105, 3240, 3312, 3680, 3715, 3726, 4140, 4320, 4458, 4968, 5520, 5944, 6210, 6480, 6624, 6687, 7430, 7452, 8280, 8916, 9315, 9936, 11040, 11145, 11888, 12420, 12960, 13374, 14860, 14904, 16560, 17089, 17832, 18630, 19872, 20061, 22290, 23776, 24840, 26748, 29720, 29808, 33120, 33435, 34178, 35664, 37260, 40122, 44580, 49680, 51267, 53496, 59440, 59616, 60183, 66870, 68356, 71328, 74520, 80244, 85445, 89160, 99360, 100305, 102534, 106992, 118880, 120366, 133740, 136712, 149040, 153801, 160488, 170890, 178320, 200610, 205068, 213984, 240732, 256335, 267480, 273424, 298080, 300915, 307602, 320976, 341780, 356640, 401220, 410136, 461403, 481464, 512670, 534960, 546848, 601830, 615204, 641952, 683560, 769005, 802440, 820272, 922806, 962928, 1025340, 1069920, 1203660, 1230408, 1367120, 1384209, 1538010, 1604880, 1640544, 1845612, 1925856, 2050680, 2307015, 2407320, 2460816, 2734240, 2768418, 3076020, 3209760, 3691224, 4101360, 4614030, 4814640, 4921632, 5536836, 6152040, 6921045, 7382448, 8202720, 9228060, 9629280, 11073672, 12304080, 13842090, 14764896, 18456120, 22147344, 24608160, 27684180, 36912240, 44294688, 55368360, 73824480, 110736720, 221473440]

約数ペア:

[(1, 221473440), (2, 110736720), (3, 73824480), (4, 55368360), (5, 44294688), (6, 36912240), (8, 27684180), (9, 24608160), (10, 22147344), (12, 18456120), (15, 14764896), (16, 13842090), (18, 12304080), (20, 11073672), (23, 9629280), (24, 9228060), (27, 8202720), (30, 7382448), (32, 6921045), (36, 6152040), (40, 5536836), (45, 4921632), (46, 4814640), (48, 4614030), (54, 4101360), (60, 3691224), (69, 3209760), (72, 3076020), (80, 2768418), (81, 2734240), (90, 2460816), (92, 2407320), (96, 2307015), (108, 2050680), (115, 1925856), (120, 1845612), (135, 1640544), (138, 1604880), (144, 1538010), (160, 1384209), (162, 1367120), (180, 1230408), (184, 1203660), (207, 1069920), (216, 1025340), (230, 962928), (240, 922806), (270, 820272), (276, 802440), (288, 769005), (324, 683560), (345, 641952), (360, 615204), (368, 601830), (405, 546848), (414, 534960), (432, 512670), (460, 481464), (480, 461403), (540, 410136), (552, 401220), (621, 356640), (648, 341780), (690, 320976), (720, 307602), (736, 300915), (743, 298080), (810, 273424), (828, 267480), (864, 256335), (920, 240732), (1035, 213984), (1080, 205068), (1104, 200610), (1242, 178320), (1296, 170890), (1380, 160488), (1440, 153801), (1486, 149040), (1620, 136712), (1656, 133740), (1840, 120366), (1863, 118880), (2070, 106992), (2160, 102534), (2208, 100305), (2229, 99360), (2484, 89160), (2592, 85445), (2760, 80244), (2972, 74520), (3105, 71328), (3240, 68356), (3312, 66870), (3680, 60183), (3715, 59616), (3726, 59440), (4140, 53496), (4320, 51267), (4458, 49680), (4968, 44580), (5520, 40122), (5944, 37260), (6210, 35664), (6480, 34178), (6624, 33435), (6687, 33120), (7430, 29808), (7452, 29720), (8280, 26748), (8916, 24840), (9315, 23776), (9936, 22290), (11040, 20061), (11145, 19872), (11888, 18630), (12420, 17832), (12960, 17089), (13374, 16560), (14860, 14904)]