85780380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:368

約数の個数: 144

約数和(自身を含む): 282683520

約数和(自身を除く): 196903140

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, 163, 179, 196, 210, 245, 294, 326, 358, 420, 489, 490, 537, 588, 652, 716, 735, 815, 895, 978, 980, 1074, 1141, 1253, 1470, 1630, 1790, 1956, 2148, 2282, 2445, 2506, 2685, 2940, 3260, 3423, 3580, 3759, 4564, 4890, 5012, 5370, 5705, 6265, 6846, 7518, 7987, 8771, 9780, 10740, 11410, 12530, 13692, 15036, 15974, 17115, 17542, 18795, 22820, 23961, 25060, 26313, 29177, 31948, 34230, 35084, 37590, 39935, 43855, 47922, 52626, 58354, 68460, 75180, 79870, 87531, 87710, 95844, 105252, 116708, 119805, 131565, 145885, 159740, 175062, 175420, 204239, 239610, 263130, 291770, 350124, 408478, 437655, 479220, 526260, 583540, 612717, 816956, 875310, 1021195, 1225434, 1429673, 1750620, 2042390, 2450868, 2859346, 3063585, 4084780, 4289019, 5718692, 6127170, 7148365, 8578038, 12254340, 14296730, 17156076, 21445095, 28593460, 42890190, 85780380]

約数ペア:

[(1, 85780380), (2, 42890190), (3, 28593460), (4, 21445095), (5, 17156076), (6, 14296730), (7, 12254340), (10, 8578038), (12, 7148365), (14, 6127170), (15, 5718692), (20, 4289019), (21, 4084780), (28, 3063585), (30, 2859346), (35, 2450868), (42, 2042390), (49, 1750620), (60, 1429673), (70, 1225434), (84, 1021195), (98, 875310), (105, 816956), (140, 612717), (147, 583540), (163, 526260), (179, 479220), (196, 437655), (210, 408478), (245, 350124), (294, 291770), (326, 263130), (358, 239610), (420, 204239), (489, 175420), (490, 175062), (537, 159740), (588, 145885), (652, 131565), (716, 119805), (735, 116708), (815, 105252), (895, 95844), (978, 87710), (980, 87531), (1074, 79870), (1141, 75180), (1253, 68460), (1470, 58354), (1630, 52626), (1790, 47922), (1956, 43855), (2148, 39935), (2282, 37590), (2445, 35084), (2506, 34230), (2685, 31948), (2940, 29177), (3260, 26313), (3423, 25060), (3580, 23961), (3759, 22820), (4564, 18795), (4890, 17542), (5012, 17115), (5370, 15974), (5705, 15036), (6265, 13692), (6846, 12530), (7518, 11410), (7987, 10740), (8771, 9780)]