161498120

素因数分解:

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

素因数の和:260

約数の個数: 128

約数和(自身を含む): 432000000

約数和(自身を除く): 270501880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 149, 158, 196, 245, 280, 298, 316, 343, 392, 395, 490, 553, 596, 632, 686, 745, 790, 980, 1043, 1106, 1192, 1372, 1490, 1580, 1715, 1960, 2086, 2212, 2744, 2765, 2980, 3160, 3430, 3871, 4172, 4424, 5215, 5530, 5960, 6860, 7301, 7742, 8344, 10430, 11060, 11771, 13720, 14602, 15484, 19355, 20860, 22120, 23542, 27097, 29204, 30968, 36505, 38710, 41720, 47084, 51107, 54194, 58408, 58855, 73010, 77420, 82397, 94168, 102214, 108388, 117710, 135485, 146020, 154840, 164794, 204428, 216776, 235420, 255535, 270970, 292040, 329588, 408856, 411985, 470840, 511070, 541940, 576779, 659176, 823970, 1022140, 1083880, 1153558, 1647940, 2044280, 2307116, 2883895, 3295880, 4037453, 4614232, 5767790, 8074906, 11535580, 16149812, 20187265, 23071160, 32299624, 40374530, 80749060, 161498120]

約数ペア:

[(1, 161498120), (2, 80749060), (4, 40374530), (5, 32299624), (7, 23071160), (8, 20187265), (10, 16149812), (14, 11535580), (20, 8074906), (28, 5767790), (35, 4614232), (40, 4037453), (49, 3295880), (56, 2883895), (70, 2307116), (79, 2044280), (98, 1647940), (140, 1153558), (149, 1083880), (158, 1022140), (196, 823970), (245, 659176), (280, 576779), (298, 541940), (316, 511070), (343, 470840), (392, 411985), (395, 408856), (490, 329588), (553, 292040), (596, 270970), (632, 255535), (686, 235420), (745, 216776), (790, 204428), (980, 164794), (1043, 154840), (1106, 146020), (1192, 135485), (1372, 117710), (1490, 108388), (1580, 102214), (1715, 94168), (1960, 82397), (2086, 77420), (2212, 73010), (2744, 58855), (2765, 58408), (2980, 54194), (3160, 51107), (3430, 47084), (3871, 41720), (4172, 38710), (4424, 36505), (5215, 30968), (5530, 29204), (5960, 27097), (6860, 23542), (7301, 22120), (7742, 20860), (8344, 19355), (10430, 15484), (11060, 14602), (11771, 13720)]