78916040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 219283200

約数和(自身を除く): 140367160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 59, 68, 70, 85, 118, 119, 136, 140, 170, 236, 238, 280, 281, 295, 340, 413, 472, 476, 562, 590, 595, 680, 826, 952, 1003, 1124, 1180, 1190, 1405, 1652, 1967, 2006, 2065, 2248, 2360, 2380, 2810, 3304, 3934, 4012, 4130, 4760, 4777, 5015, 5620, 7021, 7868, 8024, 8260, 9554, 9835, 10030, 11240, 14042, 15736, 16520, 16579, 19108, 19670, 20060, 23885, 28084, 33158, 33439, 35105, 38216, 39340, 40120, 47770, 56168, 66316, 66878, 70210, 78680, 82895, 95540, 116053, 132632, 133756, 140420, 165790, 167195, 191080, 232106, 267512, 280840, 281843, 331580, 334390, 464212, 563686, 580265, 663160, 668780, 928424, 1127372, 1160530, 1337560, 1409215, 1972901, 2254744, 2321060, 2818430, 3945802, 4642120, 5636860, 7891604, 9864505, 11273720, 15783208, 19729010, 39458020, 78916040]

約数ペア:

[(1, 78916040), (2, 39458020), (4, 19729010), (5, 15783208), (7, 11273720), (8, 9864505), (10, 7891604), (14, 5636860), (17, 4642120), (20, 3945802), (28, 2818430), (34, 2321060), (35, 2254744), (40, 1972901), (56, 1409215), (59, 1337560), (68, 1160530), (70, 1127372), (85, 928424), (118, 668780), (119, 663160), (136, 580265), (140, 563686), (170, 464212), (236, 334390), (238, 331580), (280, 281843), (281, 280840), (295, 267512), (340, 232106), (413, 191080), (472, 167195), (476, 165790), (562, 140420), (590, 133756), (595, 132632), (680, 116053), (826, 95540), (952, 82895), (1003, 78680), (1124, 70210), (1180, 66878), (1190, 66316), (1405, 56168), (1652, 47770), (1967, 40120), (2006, 39340), (2065, 38216), (2248, 35105), (2360, 33439), (2380, 33158), (2810, 28084), (3304, 23885), (3934, 20060), (4012, 19670), (4130, 19108), (4760, 16579), (4777, 16520), (5015, 15736), (5620, 14042), (7021, 11240), (7868, 10030), (8024, 9835), (8260, 9554)]