81191250

素因数分解:

$2^1\times 3^2\times 5^4\times 7^1\times {\mathrm{1031}}^1$

素因数の和:1066

約数の個数: 120

約数和(自身を含む): 251469504

約数和(自身を除く): 170278254

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 125, 126, 150, 175, 210, 225, 250, 315, 350, 375, 450, 525, 625, 630, 750, 875, 1031, 1050, 1125, 1250, 1575, 1750, 1875, 2062, 2250, 2625, 3093, 3150, 3750, 4375, 5155, 5250, 5625, 6186, 7217, 7875, 8750, 9279, 10310, 11250, 13125, 14434, 15465, 15750, 18558, 21651, 25775, 26250, 30930, 36085, 39375, 43302, 46395, 51550, 64953, 72170, 77325, 78750, 92790, 108255, 128875, 129906, 154650, 180425, 216510, 231975, 257750, 324765, 360850, 386625, 463950, 541275, 644375, 649530, 773250, 902125, 1082550, 1159875, 1288750, 1623825, 1804250, 1933125, 2319750, 2706375, 3247650, 3866250, 4510625, 5412750, 5799375, 8119125, 9021250, 11598750, 13531875, 16238250, 27063750, 40595625, 81191250]

約数ペア:

[(1, 81191250), (2, 40595625), (3, 27063750), (5, 16238250), (6, 13531875), (7, 11598750), (9, 9021250), (10, 8119125), (14, 5799375), (15, 5412750), (18, 4510625), (21, 3866250), (25, 3247650), (30, 2706375), (35, 2319750), (42, 1933125), (45, 1804250), (50, 1623825), (63, 1288750), (70, 1159875), (75, 1082550), (90, 902125), (105, 773250), (125, 649530), (126, 644375), (150, 541275), (175, 463950), (210, 386625), (225, 360850), (250, 324765), (315, 257750), (350, 231975), (375, 216510), (450, 180425), (525, 154650), (625, 129906), (630, 128875), (750, 108255), (875, 92790), (1031, 78750), (1050, 77325), (1125, 72170), (1250, 64953), (1575, 51550), (1750, 46395), (1875, 43302), (2062, 39375), (2250, 36085), (2625, 30930), (3093, 26250), (3150, 25775), (3750, 21651), (4375, 18558), (5155, 15750), (5250, 15465), (5625, 14434), (6186, 13125), (7217, 11250), (7875, 10310), (8750, 9279)]