78637160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:835

約数の個数: 96

約数和(自身を含む): 209981160

約数和(自身を除く): 131344000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 196, 212, 245, 265, 280, 371, 392, 424, 490, 530, 742, 757, 980, 1060, 1484, 1514, 1855, 1960, 2120, 2597, 2968, 3028, 3710, 3785, 5194, 5299, 6056, 7420, 7570, 10388, 10598, 12985, 14840, 15140, 20776, 21196, 25970, 26495, 30280, 37093, 40121, 42392, 51940, 52990, 74186, 80242, 103880, 105980, 148372, 160484, 185465, 200605, 211960, 280847, 296744, 320968, 370930, 401210, 561694, 741860, 802420, 1123388, 1404235, 1483720, 1604840, 1965929, 2246776, 2808470, 3931858, 5616940, 7863716, 9829645, 11233880, 15727432, 19659290, 39318580, 78637160]

約数ペア:

[(1, 78637160), (2, 39318580), (4, 19659290), (5, 15727432), (7, 11233880), (8, 9829645), (10, 7863716), (14, 5616940), (20, 3931858), (28, 2808470), (35, 2246776), (40, 1965929), (49, 1604840), (53, 1483720), (56, 1404235), (70, 1123388), (98, 802420), (106, 741860), (140, 561694), (196, 401210), (212, 370930), (245, 320968), (265, 296744), (280, 280847), (371, 211960), (392, 200605), (424, 185465), (490, 160484), (530, 148372), (742, 105980), (757, 103880), (980, 80242), (1060, 74186), (1484, 52990), (1514, 51940), (1855, 42392), (1960, 40121), (2120, 37093), (2597, 30280), (2968, 26495), (3028, 25970), (3710, 21196), (3785, 20776), (5194, 15140), (5299, 14840), (6056, 12985), (7420, 10598), (7570, 10388)]