131276880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^2$

素因数の和:155

約数の個数: 270

約数和(自身を含む): 521395758

約数和(自身を除く): 390118878

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 61, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 122, 126, 140, 144, 147, 168, 180, 183, 196, 210, 240, 244, 245, 252, 280, 294, 305, 315, 336, 360, 366, 392, 420, 427, 441, 488, 490, 504, 549, 560, 588, 610, 630, 720, 732, 735, 784, 840, 854, 882, 915, 976, 980, 1008, 1098, 1176, 1220, 1260, 1281, 1464, 1470, 1680, 1708, 1764, 1830, 1960, 2135, 2196, 2205, 2352, 2440, 2520, 2562, 2745, 2928, 2940, 2989, 3416, 3528, 3660, 3721, 3843, 3920, 4270, 4392, 4410, 4880, 5040, 5124, 5490, 5880, 5978, 6405, 6832, 7056, 7320, 7442, 7686, 8540, 8784, 8820, 8967, 10248, 10980, 11163, 11760, 11956, 12810, 14640, 14884, 14945, 15372, 17080, 17640, 17934, 18605, 19215, 20496, 21960, 22326, 23912, 25620, 26047, 26901, 29768, 29890, 30744, 33489, 34160, 35280, 35868, 37210, 38430, 43920, 44652, 44835, 47824, 51240, 52094, 53802, 55815, 59536, 59780, 61488, 66978, 71736, 74420, 76860, 78141, 89304, 89670, 102480, 104188, 107604, 111630, 119560, 130235, 133956, 134505, 143472, 148840, 153720, 156282, 167445, 178608, 179340, 182329, 208376, 215208, 223260, 234423, 239120, 260470, 267912, 269010, 297680, 307440, 312564, 334890, 358680, 364658, 390705, 416752, 430416, 446520, 468846, 520940, 535824, 538020, 546987, 625128, 669780, 717360, 729316, 781410, 893040, 911645, 937692, 1041880, 1076040, 1093974, 1172115, 1250256, 1339560, 1458632, 1562820, 1640961, 1823290, 1875384, 2083760, 2152080, 2187948, 2344230, 2679120, 2734935, 2917264, 3125640, 3281922, 3646580, 3750768, 4375896, 4688460, 5469870, 6251280, 6563844, 7293160, 8204805, 8751792, 9376920, 10939740, 13127688, 14586320, 16409610, 18753840, 21879480, 26255376, 32819220, 43758960, 65638440, 131276880]

約数ペア:

[(1, 131276880), (2, 65638440), (3, 43758960), (4, 32819220), (5, 26255376), (6, 21879480), (7, 18753840), (8, 16409610), (9, 14586320), (10, 13127688), (12, 10939740), (14, 9376920), (15, 8751792), (16, 8204805), (18, 7293160), (20, 6563844), (21, 6251280), (24, 5469870), (28, 4688460), (30, 4375896), (35, 3750768), (36, 3646580), (40, 3281922), (42, 3125640), (45, 2917264), (48, 2734935), (49, 2679120), (56, 2344230), (60, 2187948), (61, 2152080), (63, 2083760), (70, 1875384), (72, 1823290), (80, 1640961), (84, 1562820), (90, 1458632), (98, 1339560), (105, 1250256), (112, 1172115), (120, 1093974), (122, 1076040), (126, 1041880), (140, 937692), (144, 911645), (147, 893040), (168, 781410), (180, 729316), (183, 717360), (196, 669780), (210, 625128), (240, 546987), (244, 538020), (245, 535824), (252, 520940), (280, 468846), (294, 446520), (305, 430416), (315, 416752), (336, 390705), (360, 364658), (366, 358680), (392, 334890), (420, 312564), (427, 307440), (441, 297680), (488, 269010), (490, 267912), (504, 260470), (549, 239120), (560, 234423), (588, 223260), (610, 215208), (630, 208376), (720, 182329), (732, 179340), (735, 178608), (784, 167445), (840, 156282), (854, 153720), (882, 148840), (915, 143472), (976, 134505), (980, 133956), (1008, 130235), (1098, 119560), (1176, 111630), (1220, 107604), (1260, 104188), (1281, 102480), (1464, 89670), (1470, 89304), (1680, 78141), (1708, 76860), (1764, 74420), (1830, 71736), (1960, 66978), (2135, 61488), (2196, 59780), (2205, 59536), (2352, 55815), (2440, 53802), (2520, 52094), (2562, 51240), (2745, 47824), (2928, 44835), (2940, 44652), (2989, 43920), (3416, 38430), (3528, 37210), (3660, 35868), (3721, 35280), (3843, 34160), (3920, 33489), (4270, 30744), (4392, 29890), (4410, 29768), (4880, 26901), (5040, 26047), (5124, 25620), (5490, 23912), (5880, 22326), (5978, 21960), (6405, 20496), (6832, 19215), (7056, 18605), (7320, 17934), (7442, 17640), (7686, 17080), (8540, 15372), (8784, 14945), (8820, 14884), (8967, 14640), (10248, 12810), (10980, 11956), (11163, 11760)]