217419720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 256

約数和(自身を含む): 783820800

約数和(自身を除く): 566401080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 59, 60, 70, 82, 84, 105, 107, 118, 120, 123, 140, 164, 168, 177, 205, 210, 214, 236, 246, 280, 287, 295, 321, 328, 354, 410, 413, 420, 428, 472, 492, 535, 574, 590, 615, 642, 708, 749, 820, 826, 840, 856, 861, 885, 984, 1070, 1148, 1180, 1230, 1239, 1284, 1416, 1435, 1498, 1605, 1640, 1652, 1722, 1770, 2065, 2140, 2247, 2296, 2360, 2419, 2460, 2478, 2568, 2870, 2996, 3210, 3304, 3444, 3540, 3745, 4130, 4280, 4305, 4387, 4494, 4838, 4920, 4956, 5740, 5992, 6195, 6313, 6420, 6888, 7080, 7257, 7490, 8260, 8610, 8774, 8988, 9676, 9912, 11235, 11480, 12095, 12390, 12626, 12840, 13161, 14514, 14980, 16520, 16933, 17220, 17548, 17976, 18939, 19352, 21935, 22470, 24190, 24780, 25252, 26322, 29028, 29960, 30709, 31565, 33866, 34440, 35096, 36285, 37878, 43870, 44191, 44940, 48380, 49560, 50504, 50799, 52644, 58056, 61418, 63130, 65805, 67732, 72570, 75756, 84665, 87740, 88382, 89880, 92127, 94695, 96760, 101598, 105288, 122836, 126260, 131610, 132573, 135464, 145140, 151512, 153545, 169330, 175480, 176764, 184254, 189390, 203196, 220955, 245672, 252520, 253995, 258833, 263220, 265146, 290280, 307090, 338660, 353528, 368508, 378780, 406392, 441910, 460635, 507990, 517666, 526440, 530292, 614180, 662865, 677320, 737016, 757560, 776499, 883820, 921270, 1015980, 1035332, 1060584, 1228360, 1294165, 1325730, 1552998, 1767640, 1811831, 1842540, 2031960, 2070664, 2588330, 2651460, 3105996, 3623662, 3685080, 3882495, 5176660, 5302920, 5435493, 6211992, 7247324, 7764990, 9059155, 10353320, 10870986, 14494648, 15529980, 18118310, 21741972, 27177465, 31059960, 36236620, 43483944, 54354930, 72473240, 108709860, 217419720]

約数ペア:

[(1, 217419720), (2, 108709860), (3, 72473240), (4, 54354930), (5, 43483944), (6, 36236620), (7, 31059960), (8, 27177465), (10, 21741972), (12, 18118310), (14, 15529980), (15, 14494648), (20, 10870986), (21, 10353320), (24, 9059155), (28, 7764990), (30, 7247324), (35, 6211992), (40, 5435493), (41, 5302920), (42, 5176660), (56, 3882495), (59, 3685080), (60, 3623662), (70, 3105996), (82, 2651460), (84, 2588330), (105, 2070664), (107, 2031960), (118, 1842540), (120, 1811831), (123, 1767640), (140, 1552998), (164, 1325730), (168, 1294165), (177, 1228360), (205, 1060584), (210, 1035332), (214, 1015980), (236, 921270), (246, 883820), (280, 776499), (287, 757560), (295, 737016), (321, 677320), (328, 662865), (354, 614180), (410, 530292), (413, 526440), (420, 517666), (428, 507990), (472, 460635), (492, 441910), (535, 406392), (574, 378780), (590, 368508), (615, 353528), (642, 338660), (708, 307090), (749, 290280), (820, 265146), (826, 263220), (840, 258833), (856, 253995), (861, 252520), (885, 245672), (984, 220955), (1070, 203196), (1148, 189390), (1180, 184254), (1230, 176764), (1239, 175480), (1284, 169330), (1416, 153545), (1435, 151512), (1498, 145140), (1605, 135464), (1640, 132573), (1652, 131610), (1722, 126260), (1770, 122836), (2065, 105288), (2140, 101598), (2247, 96760), (2296, 94695), (2360, 92127), (2419, 89880), (2460, 88382), (2478, 87740), (2568, 84665), (2870, 75756), (2996, 72570), (3210, 67732), (3304, 65805), (3444, 63130), (3540, 61418), (3745, 58056), (4130, 52644), (4280, 50799), (4305, 50504), (4387, 49560), (4494, 48380), (4838, 44940), (4920, 44191), (4956, 43870), (5740, 37878), (5992, 36285), (6195, 35096), (6313, 34440), (6420, 33866), (6888, 31565), (7080, 30709), (7257, 29960), (7490, 29028), (8260, 26322), (8610, 25252), (8774, 24780), (8988, 24190), (9676, 22470), (9912, 21935), (11235, 19352), (11480, 18939), (12095, 17976), (12390, 17548), (12626, 17220), (12840, 16933), (13161, 16520), (14514, 14980)]