217777248

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 240

約数和(自身を含む): 722294496

約数和(自身を除く): 504517248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 27, 32, 36, 39, 46, 48, 52, 54, 69, 72, 78, 81, 92, 96, 104, 108, 117, 138, 144, 156, 162, 184, 207, 208, 216, 234, 276, 281, 288, 299, 312, 324, 351, 368, 414, 416, 432, 468, 552, 562, 598, 621, 624, 648, 702, 736, 828, 843, 864, 897, 936, 1053, 1104, 1124, 1196, 1242, 1248, 1296, 1404, 1656, 1686, 1794, 1863, 1872, 2106, 2208, 2248, 2392, 2484, 2529, 2592, 2691, 2808, 3312, 3372, 3588, 3653, 3726, 3744, 4212, 4496, 4784, 4968, 5058, 5382, 5616, 6463, 6624, 6744, 7176, 7306, 7452, 7587, 8073, 8424, 8992, 9568, 9936, 10116, 10764, 10959, 11232, 12926, 13488, 14352, 14612, 14904, 15174, 16146, 16848, 19389, 19872, 20232, 21528, 21918, 22761, 24219, 25852, 26976, 28704, 29224, 29808, 30348, 32292, 32877, 33696, 38778, 40464, 43056, 43836, 45522, 48438, 51704, 58167, 58448, 59616, 60696, 64584, 65754, 77556, 80928, 84019, 86112, 87672, 91044, 96876, 98631, 103408, 116334, 116896, 121392, 129168, 131508, 155112, 168038, 174501, 175344, 182088, 193752, 197262, 206816, 232668, 242784, 252057, 258336, 263016, 295893, 310224, 336076, 349002, 350688, 364176, 387504, 394524, 465336, 504114, 523503, 526032, 591786, 620448, 672152, 698004, 728352, 756171, 775008, 789048, 930672, 1008228, 1047006, 1052064, 1183572, 1344304, 1396008, 1512342, 1578096, 1861344, 2016456, 2094012, 2268513, 2367144, 2688608, 2792016, 3024684, 3156192, 4032912, 4188024, 4537026, 4734288, 5584032, 6049368, 6805539, 8065824, 8376048, 9074052, 9468576, 12098736, 13611078, 16752096, 18148104, 24197472, 27222156, 36296208, 54444312, 72592416, 108888624, 217777248]

約数ペア:

[(1, 217777248), (2, 108888624), (3, 72592416), (4, 54444312), (6, 36296208), (8, 27222156), (9, 24197472), (12, 18148104), (13, 16752096), (16, 13611078), (18, 12098736), (23, 9468576), (24, 9074052), (26, 8376048), (27, 8065824), (32, 6805539), (36, 6049368), (39, 5584032), (46, 4734288), (48, 4537026), (52, 4188024), (54, 4032912), (69, 3156192), (72, 3024684), (78, 2792016), (81, 2688608), (92, 2367144), (96, 2268513), (104, 2094012), (108, 2016456), (117, 1861344), (138, 1578096), (144, 1512342), (156, 1396008), (162, 1344304), (184, 1183572), (207, 1052064), (208, 1047006), (216, 1008228), (234, 930672), (276, 789048), (281, 775008), (288, 756171), (299, 728352), (312, 698004), (324, 672152), (351, 620448), (368, 591786), (414, 526032), (416, 523503), (432, 504114), (468, 465336), (552, 394524), (562, 387504), (598, 364176), (621, 350688), (624, 349002), (648, 336076), (702, 310224), (736, 295893), (828, 263016), (843, 258336), (864, 252057), (897, 242784), (936, 232668), (1053, 206816), (1104, 197262), (1124, 193752), (1196, 182088), (1242, 175344), (1248, 174501), (1296, 168038), (1404, 155112), (1656, 131508), (1686, 129168), (1794, 121392), (1863, 116896), (1872, 116334), (2106, 103408), (2208, 98631), (2248, 96876), (2392, 91044), (2484, 87672), (2529, 86112), (2592, 84019), (2691, 80928), (2808, 77556), (3312, 65754), (3372, 64584), (3588, 60696), (3653, 59616), (3726, 58448), (3744, 58167), (4212, 51704), (4496, 48438), (4784, 45522), (4968, 43836), (5058, 43056), (5382, 40464), (5616, 38778), (6463, 33696), (6624, 32877), (6744, 32292), (7176, 30348), (7306, 29808), (7452, 29224), (7587, 28704), (8073, 26976), (8424, 25852), (8992, 24219), (9568, 22761), (9936, 21918), (10116, 21528), (10764, 20232), (10959, 19872), (11232, 19389), (12926, 16848), (13488, 16146), (14352, 15174), (14612, 14904)]