520017080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3659}}^1$

素因数の和:3717

約数の個数: 128

約数和(自身を含む): 1423008000

約数和(自身を除く): 902990920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 110, 136, 152, 170, 187, 190, 209, 220, 323, 340, 374, 380, 418, 440, 646, 680, 748, 760, 836, 935, 1045, 1292, 1496, 1615, 1672, 1870, 2090, 2584, 3230, 3553, 3659, 3740, 4180, 6460, 7106, 7318, 7480, 8360, 12920, 14212, 14636, 17765, 18295, 28424, 29272, 35530, 36590, 40249, 62203, 69521, 71060, 73180, 80498, 124406, 139042, 142120, 146360, 160996, 201245, 248812, 278084, 311015, 321992, 347605, 402490, 497624, 556168, 622030, 684233, 695210, 764731, 804980, 1181857, 1244060, 1368466, 1390420, 1529462, 1609960, 2363714, 2488120, 2736932, 2780840, 3058924, 3421165, 3823655, 4727428, 5473864, 5909285, 6117848, 6842330, 7647310, 9454856, 11818570, 13000427, 13684660, 15294620, 23637140, 26000854, 27369320, 30589240, 47274280, 52001708, 65002135, 104003416, 130004270, 260008540, 520017080]

約数ペア:

[(1, 520017080), (2, 260008540), (4, 130004270), (5, 104003416), (8, 65002135), (10, 52001708), (11, 47274280), (17, 30589240), (19, 27369320), (20, 26000854), (22, 23637140), (34, 15294620), (38, 13684660), (40, 13000427), (44, 11818570), (55, 9454856), (68, 7647310), (76, 6842330), (85, 6117848), (88, 5909285), (95, 5473864), (110, 4727428), (136, 3823655), (152, 3421165), (170, 3058924), (187, 2780840), (190, 2736932), (209, 2488120), (220, 2363714), (323, 1609960), (340, 1529462), (374, 1390420), (380, 1368466), (418, 1244060), (440, 1181857), (646, 804980), (680, 764731), (748, 695210), (760, 684233), (836, 622030), (935, 556168), (1045, 497624), (1292, 402490), (1496, 347605), (1615, 321992), (1672, 311015), (1870, 278084), (2090, 248812), (2584, 201245), (3230, 160996), (3553, 146360), (3659, 142120), (3740, 139042), (4180, 124406), (6460, 80498), (7106, 73180), (7318, 71060), (7480, 69521), (8360, 62203), (12920, 40249), (14212, 36590), (14636, 35530), (17765, 29272), (18295, 28424)]