82622820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 272341440

約数和(自身を除く): 189718620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 157, 179, 196, 210, 245, 294, 314, 358, 420, 471, 490, 537, 588, 628, 716, 735, 785, 895, 942, 980, 1074, 1099, 1253, 1470, 1570, 1790, 1884, 2148, 2198, 2355, 2506, 2685, 2940, 3140, 3297, 3580, 3759, 4396, 4710, 5012, 5370, 5495, 6265, 6594, 7518, 7693, 8771, 9420, 10740, 10990, 12530, 13188, 15036, 15386, 16485, 17542, 18795, 21980, 23079, 25060, 26313, 28103, 30772, 32970, 35084, 37590, 38465, 43855, 46158, 52626, 56206, 65940, 75180, 76930, 84309, 87710, 92316, 105252, 112412, 115395, 131565, 140515, 153860, 168618, 175420, 196721, 230790, 263130, 281030, 337236, 393442, 421545, 461580, 526260, 562060, 590163, 786884, 843090, 983605, 1180326, 1377047, 1686180, 1967210, 2360652, 2754094, 2950815, 3934420, 4131141, 5508188, 5901630, 6885235, 8262282, 11803260, 13770470, 16524564, 20655705, 27540940, 41311410, 82622820]

約数ペア:

[(1, 82622820), (2, 41311410), (3, 27540940), (4, 20655705), (5, 16524564), (6, 13770470), (7, 11803260), (10, 8262282), (12, 6885235), (14, 5901630), (15, 5508188), (20, 4131141), (21, 3934420), (28, 2950815), (30, 2754094), (35, 2360652), (42, 1967210), (49, 1686180), (60, 1377047), (70, 1180326), (84, 983605), (98, 843090), (105, 786884), (140, 590163), (147, 562060), (157, 526260), (179, 461580), (196, 421545), (210, 393442), (245, 337236), (294, 281030), (314, 263130), (358, 230790), (420, 196721), (471, 175420), (490, 168618), (537, 153860), (588, 140515), (628, 131565), (716, 115395), (735, 112412), (785, 105252), (895, 92316), (942, 87710), (980, 84309), (1074, 76930), (1099, 75180), (1253, 65940), (1470, 56206), (1570, 52626), (1790, 46158), (1884, 43855), (2148, 38465), (2198, 37590), (2355, 35084), (2506, 32970), (2685, 30772), (2940, 28103), (3140, 26313), (3297, 25060), (3580, 23079), (3759, 21980), (4396, 18795), (4710, 17542), (5012, 16485), (5370, 15386), (5495, 15036), (6265, 13188), (6594, 12530), (7518, 10990), (7693, 10740), (8771, 9420)]