78778440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 256

約数和(自身を含む): 293529600

約数和(自身を除く): 214751160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 52, 54, 60, 62, 65, 72, 78, 90, 93, 104, 108, 117, 120, 124, 130, 135, 155, 156, 180, 181, 186, 195, 216, 234, 248, 260, 270, 279, 310, 312, 351, 360, 362, 372, 390, 403, 465, 468, 520, 540, 543, 558, 585, 620, 702, 724, 744, 780, 806, 837, 905, 930, 936, 1080, 1086, 1116, 1170, 1209, 1240, 1395, 1404, 1448, 1560, 1612, 1629, 1674, 1755, 1810, 1860, 2015, 2172, 2232, 2340, 2353, 2418, 2715, 2790, 2808, 3224, 3258, 3348, 3510, 3620, 3627, 3720, 4030, 4185, 4344, 4680, 4706, 4836, 4887, 5430, 5580, 5611, 6045, 6516, 6696, 7020, 7059, 7240, 7254, 8060, 8145, 8370, 9412, 9672, 9774, 10860, 10881, 11160, 11222, 11765, 12090, 13032, 14040, 14118, 14508, 16120, 16290, 16740, 16833, 18135, 18824, 19548, 21177, 21720, 21762, 22444, 23530, 24180, 24435, 28055, 28236, 29016, 32580, 33480, 33666, 35295, 36270, 39096, 42354, 43524, 44888, 47060, 48360, 48870, 50499, 54405, 56110, 56472, 63531, 65160, 67332, 70590, 72540, 72943, 84165, 84708, 87048, 94120, 97740, 100998, 105885, 108810, 112220, 127062, 134664, 141180, 145080, 145886, 151497, 168330, 169416, 195480, 201996, 211770, 217620, 218829, 224440, 252495, 254124, 282360, 291772, 302994, 317655, 336660, 364715, 403992, 423540, 435240, 437658, 504990, 508248, 583544, 605988, 635310, 656487, 673320, 729430, 757485, 847080, 875316, 1009980, 1094145, 1211976, 1270620, 1312974, 1458860, 1514970, 1750632, 1969461, 2019960, 2188290, 2541240, 2625948, 2917720, 3029940, 3282435, 3938922, 4376580, 5251896, 6059880, 6564870, 7877844, 8753160, 9847305, 13129740, 15755688, 19694610, 26259480, 39389220, 78778440]

約数ペア:

[(1, 78778440), (2, 39389220), (3, 26259480), (4, 19694610), (5, 15755688), (6, 13129740), (8, 9847305), (9, 8753160), (10, 7877844), (12, 6564870), (13, 6059880), (15, 5251896), (18, 4376580), (20, 3938922), (24, 3282435), (26, 3029940), (27, 2917720), (30, 2625948), (31, 2541240), (36, 2188290), (39, 2019960), (40, 1969461), (45, 1750632), (52, 1514970), (54, 1458860), (60, 1312974), (62, 1270620), (65, 1211976), (72, 1094145), (78, 1009980), (90, 875316), (93, 847080), (104, 757485), (108, 729430), (117, 673320), (120, 656487), (124, 635310), (130, 605988), (135, 583544), (155, 508248), (156, 504990), (180, 437658), (181, 435240), (186, 423540), (195, 403992), (216, 364715), (234, 336660), (248, 317655), (260, 302994), (270, 291772), (279, 282360), (310, 254124), (312, 252495), (351, 224440), (360, 218829), (362, 217620), (372, 211770), (390, 201996), (403, 195480), (465, 169416), (468, 168330), (520, 151497), (540, 145886), (543, 145080), (558, 141180), (585, 134664), (620, 127062), (702, 112220), (724, 108810), (744, 105885), (780, 100998), (806, 97740), (837, 94120), (905, 87048), (930, 84708), (936, 84165), (1080, 72943), (1086, 72540), (1116, 70590), (1170, 67332), (1209, 65160), (1240, 63531), (1395, 56472), (1404, 56110), (1448, 54405), (1560, 50499), (1612, 48870), (1629, 48360), (1674, 47060), (1755, 44888), (1810, 43524), (1860, 42354), (2015, 39096), (2172, 36270), (2232, 35295), (2340, 33666), (2353, 33480), (2418, 32580), (2715, 29016), (2790, 28236), (2808, 28055), (3224, 24435), (3258, 24180), (3348, 23530), (3510, 22444), (3620, 21762), (3627, 21720), (3720, 21177), (4030, 19548), (4185, 18824), (4344, 18135), (4680, 16833), (4706, 16740), (4836, 16290), (4887, 16120), (5430, 14508), (5580, 14118), (5611, 14040), (6045, 13032), (6516, 12090), (6696, 11765), (7020, 11222), (7059, 11160), (7240, 10881), (7254, 10860), (8060, 9774), (8145, 9672), (8370, 9412)]