218847720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 256

約数和(自身を含む): 826560000

約数和(自身を除く): 607712280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 343, 364, 390, 392, 409, 420, 455, 490, 520, 546, 588, 637, 686, 728, 735, 780, 818, 840, 910, 980, 1029, 1092, 1176, 1227, 1274, 1365, 1372, 1470, 1560, 1636, 1715, 1820, 1911, 1960, 2045, 2058, 2184, 2454, 2548, 2730, 2744, 2863, 2940, 3185, 3272, 3430, 3640, 3822, 4090, 4116, 4459, 4908, 5096, 5145, 5317, 5460, 5726, 5880, 6135, 6370, 6860, 7644, 8180, 8232, 8589, 8918, 9555, 9816, 10290, 10634, 10920, 11452, 12270, 12740, 13377, 13720, 14315, 15288, 15951, 16360, 17178, 17836, 19110, 20041, 20580, 21268, 22295, 22904, 24540, 25480, 26585, 26754, 28630, 31902, 34356, 35672, 37219, 38220, 40082, 41160, 42536, 42945, 44590, 49080, 53170, 53508, 57260, 60123, 63804, 66885, 68712, 74438, 76440, 79755, 80164, 85890, 89180, 100205, 106340, 107016, 111657, 114520, 120246, 127608, 133770, 140287, 148876, 159510, 160328, 171780, 178360, 186095, 200410, 212680, 223314, 240492, 260533, 267540, 280574, 297752, 300615, 319020, 343560, 372190, 400820, 420861, 446628, 480984, 521066, 535080, 558285, 561148, 601230, 638040, 701435, 744380, 781599, 801640, 841722, 893256, 1042132, 1116570, 1122296, 1202460, 1302665, 1402870, 1488760, 1563198, 1683444, 1823731, 2084264, 2104305, 2233140, 2404920, 2605330, 2805740, 3126396, 3366888, 3647462, 3907995, 4208610, 4466280, 5210660, 5471193, 5611480, 6252792, 7294924, 7815990, 8417220, 9118655, 10421320, 10942386, 14589848, 15631980, 16834440, 18237310, 21884772, 27355965, 31263960, 36474620, 43769544, 54711930, 72949240, 109423860, 218847720]

約数ペア:

[(1, 218847720), (2, 109423860), (3, 72949240), (4, 54711930), (5, 43769544), (6, 36474620), (7, 31263960), (8, 27355965), (10, 21884772), (12, 18237310), (13, 16834440), (14, 15631980), (15, 14589848), (20, 10942386), (21, 10421320), (24, 9118655), (26, 8417220), (28, 7815990), (30, 7294924), (35, 6252792), (39, 5611480), (40, 5471193), (42, 5210660), (49, 4466280), (52, 4208610), (56, 3907995), (60, 3647462), (65, 3366888), (70, 3126396), (78, 2805740), (84, 2605330), (91, 2404920), (98, 2233140), (104, 2104305), (105, 2084264), (120, 1823731), (130, 1683444), (140, 1563198), (147, 1488760), (156, 1402870), (168, 1302665), (182, 1202460), (195, 1122296), (196, 1116570), (210, 1042132), (245, 893256), (260, 841722), (273, 801640), (280, 781599), (294, 744380), (312, 701435), (343, 638040), (364, 601230), (390, 561148), (392, 558285), (409, 535080), (420, 521066), (455, 480984), (490, 446628), (520, 420861), (546, 400820), (588, 372190), (637, 343560), (686, 319020), (728, 300615), (735, 297752), (780, 280574), (818, 267540), (840, 260533), (910, 240492), (980, 223314), (1029, 212680), (1092, 200410), (1176, 186095), (1227, 178360), (1274, 171780), (1365, 160328), (1372, 159510), (1470, 148876), (1560, 140287), (1636, 133770), (1715, 127608), (1820, 120246), (1911, 114520), (1960, 111657), (2045, 107016), (2058, 106340), (2184, 100205), (2454, 89180), (2548, 85890), (2730, 80164), (2744, 79755), (2863, 76440), (2940, 74438), (3185, 68712), (3272, 66885), (3430, 63804), (3640, 60123), (3822, 57260), (4090, 53508), (4116, 53170), (4459, 49080), (4908, 44590), (5096, 42945), (5145, 42536), (5317, 41160), (5460, 40082), (5726, 38220), (5880, 37219), (6135, 35672), (6370, 34356), (6860, 31902), (7644, 28630), (8180, 26754), (8232, 26585), (8589, 25480), (8918, 24540), (9555, 22904), (9816, 22295), (10290, 21268), (10634, 20580), (10920, 20041), (11452, 19110), (12270, 17836), (12740, 17178), (13377, 16360), (13720, 15951), (14315, 15288)]