80749060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 201600000

約数和(自身を除く): 120850940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 149, 158, 196, 245, 298, 316, 343, 395, 490, 553, 596, 686, 745, 790, 980, 1043, 1106, 1372, 1490, 1580, 1715, 2086, 2212, 2765, 2980, 3430, 3871, 4172, 5215, 5530, 6860, 7301, 7742, 10430, 11060, 11771, 14602, 15484, 19355, 20860, 23542, 27097, 29204, 36505, 38710, 47084, 51107, 54194, 58855, 73010, 77420, 82397, 102214, 108388, 117710, 135485, 146020, 164794, 204428, 235420, 255535, 270970, 329588, 411985, 511070, 541940, 576779, 823970, 1022140, 1153558, 1647940, 2307116, 2883895, 4037453, 5767790, 8074906, 11535580, 16149812, 20187265, 40374530, 80749060]

約数ペア:

[(1, 80749060), (2, 40374530), (4, 20187265), (5, 16149812), (7, 11535580), (10, 8074906), (14, 5767790), (20, 4037453), (28, 2883895), (35, 2307116), (49, 1647940), (70, 1153558), (79, 1022140), (98, 823970), (140, 576779), (149, 541940), (158, 511070), (196, 411985), (245, 329588), (298, 270970), (316, 255535), (343, 235420), (395, 204428), (490, 164794), (553, 146020), (596, 135485), (686, 117710), (745, 108388), (790, 102214), (980, 82397), (1043, 77420), (1106, 73010), (1372, 58855), (1490, 54194), (1580, 51107), (1715, 47084), (2086, 38710), (2212, 36505), (2765, 29204), (2980, 27097), (3430, 23542), (3871, 20860), (4172, 19355), (5215, 15484), (5530, 14602), (6860, 11771), (7301, 11060), (7742, 10430)]