258393660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:696

約数の個数: 144

約数和(自身を含む): 848050560

約数和(自身を除く): 589656900

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, 179, 196, 210, 245, 294, 358, 420, 490, 491, 537, 588, 716, 735, 895, 980, 982, 1074, 1253, 1470, 1473, 1790, 1964, 2148, 2455, 2506, 2685, 2940, 2946, 3437, 3580, 3759, 4910, 5012, 5370, 5892, 6265, 6874, 7365, 7518, 8771, 9820, 10311, 10740, 12530, 13748, 14730, 15036, 17185, 17542, 18795, 20622, 24059, 25060, 26313, 29460, 34370, 35084, 37590, 41244, 43855, 48118, 51555, 52626, 68740, 72177, 75180, 87710, 87889, 96236, 103110, 105252, 120295, 131565, 144354, 175420, 175778, 206220, 240590, 263130, 263667, 288708, 351556, 360885, 439445, 481180, 526260, 527334, 615223, 721770, 878890, 1054668, 1230446, 1318335, 1443540, 1757780, 1845669, 2460892, 2636670, 3076115, 3691338, 4306561, 5273340, 6152230, 7382676, 8613122, 9228345, 12304460, 12919683, 17226244, 18456690, 21532805, 25839366, 36913380, 43065610, 51678732, 64598415, 86131220, 129196830, 258393660]

約数ペア:

[(1, 258393660), (2, 129196830), (3, 86131220), (4, 64598415), (5, 51678732), (6, 43065610), (7, 36913380), (10, 25839366), (12, 21532805), (14, 18456690), (15, 17226244), (20, 12919683), (21, 12304460), (28, 9228345), (30, 8613122), (35, 7382676), (42, 6152230), (49, 5273340), (60, 4306561), (70, 3691338), (84, 3076115), (98, 2636670), (105, 2460892), (140, 1845669), (147, 1757780), (179, 1443540), (196, 1318335), (210, 1230446), (245, 1054668), (294, 878890), (358, 721770), (420, 615223), (490, 527334), (491, 526260), (537, 481180), (588, 439445), (716, 360885), (735, 351556), (895, 288708), (980, 263667), (982, 263130), (1074, 240590), (1253, 206220), (1470, 175778), (1473, 175420), (1790, 144354), (1964, 131565), (2148, 120295), (2455, 105252), (2506, 103110), (2685, 96236), (2940, 87889), (2946, 87710), (3437, 75180), (3580, 72177), (3759, 68740), (4910, 52626), (5012, 51555), (5370, 48118), (5892, 43855), (6265, 41244), (6874, 37590), (7365, 35084), (7518, 34370), (8771, 29460), (9820, 26313), (10311, 25060), (10740, 24059), (12530, 20622), (13748, 18795), (14730, 17542), (15036, 17185)]