78831480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7219}}^1$

素因数の和:7253

約数の個数: 128

約数和(自身を含む): 291110400

約数和(自身を除く): 212278920

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, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 7219, 10920, 14438, 21657, 28876, 36095, 43314, 50533, 57752, 72190, 86628, 93847, 101066, 108285, 144380, 151599, 173256, 187694, 202132, 216570, 252665, 281541, 288760, 303198, 375388, 404264, 433140, 469235, 505330, 563082, 606396, 656929, 750776, 757995, 866280, 938470, 1010660, 1126164, 1212792, 1313858, 1407705, 1515990, 1876940, 1970787, 2021320, 2252328, 2627716, 2815410, 3031980, 3284645, 3753880, 3941574, 5255432, 5630820, 6063960, 6569290, 7883148, 9853935, 11261640, 13138580, 15766296, 19707870, 26277160, 39415740, 78831480]

約数ペア:

[(1, 78831480), (2, 39415740), (3, 26277160), (4, 19707870), (5, 15766296), (6, 13138580), (7, 11261640), (8, 9853935), (10, 7883148), (12, 6569290), (13, 6063960), (14, 5630820), (15, 5255432), (20, 3941574), (21, 3753880), (24, 3284645), (26, 3031980), (28, 2815410), (30, 2627716), (35, 2252328), (39, 2021320), (40, 1970787), (42, 1876940), (52, 1515990), (56, 1407705), (60, 1313858), (65, 1212792), (70, 1126164), (78, 1010660), (84, 938470), (91, 866280), (104, 757995), (105, 750776), (120, 656929), (130, 606396), (140, 563082), (156, 505330), (168, 469235), (182, 433140), (195, 404264), (210, 375388), (260, 303198), (273, 288760), (280, 281541), (312, 252665), (364, 216570), (390, 202132), (420, 187694), (455, 173256), (520, 151599), (546, 144380), (728, 108285), (780, 101066), (840, 93847), (910, 86628), (1092, 72190), (1365, 57752), (1560, 50533), (1820, 43314), (2184, 36095), (2730, 28876), (3640, 21657), (5460, 14438), (7219, 10920)]