289216980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:508

約数の個数: 240

約数和(自身を含む): 1010870784

約数和(自身を除く): 721653804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 81, 90, 93, 108, 117, 124, 130, 135, 155, 156, 162, 180, 186, 195, 234, 260, 270, 279, 310, 324, 351, 372, 390, 403, 405, 443, 465, 468, 540, 558, 585, 620, 702, 780, 806, 810, 837, 886, 930, 1053, 1116, 1170, 1209, 1329, 1395, 1404, 1612, 1620, 1674, 1755, 1772, 1860, 2015, 2106, 2215, 2340, 2418, 2511, 2658, 2790, 3348, 3510, 3627, 3987, 4030, 4185, 4212, 4430, 4836, 5022, 5265, 5316, 5580, 5759, 6045, 6645, 7020, 7254, 7974, 8060, 8370, 8860, 10044, 10530, 10881, 11518, 11961, 12090, 12555, 13290, 13733, 14508, 15948, 16740, 17277, 18135, 19935, 21060, 21762, 23036, 23922, 24180, 25110, 26580, 27466, 28795, 32643, 34554, 35883, 36270, 39870, 41199, 43524, 47844, 50220, 51831, 54405, 54932, 57590, 59805, 65286, 68665, 69108, 71766, 72540, 79740, 82398, 86385, 103662, 108810, 115180, 119610, 123597, 130572, 137330, 143532, 155493, 163215, 164796, 172770, 178529, 179415, 205995, 207324, 217620, 239220, 247194, 259155, 274660, 310986, 326430, 345540, 357058, 358830, 370791, 411990, 466479, 494388, 518310, 535587, 617985, 621972, 652860, 714116, 717660, 741582, 777465, 823980, 892645, 932958, 1036620, 1071174, 1112373, 1235970, 1483164, 1554930, 1606761, 1785290, 1853955, 1865916, 2142348, 2224746, 2332395, 2471940, 2677935, 3109860, 3213522, 3570580, 3707910, 4449492, 4664790, 4820283, 5355870, 5561865, 6427044, 7415820, 8033805, 9329580, 9640566, 10711740, 11123730, 14460849, 16067610, 19281132, 22247460, 24101415, 28921698, 32135220, 48202830, 57843396, 72304245, 96405660, 144608490, 289216980]

約数ペア:

[(1, 289216980), (2, 144608490), (3, 96405660), (4, 72304245), (5, 57843396), (6, 48202830), (9, 32135220), (10, 28921698), (12, 24101415), (13, 22247460), (15, 19281132), (18, 16067610), (20, 14460849), (26, 11123730), (27, 10711740), (30, 9640566), (31, 9329580), (36, 8033805), (39, 7415820), (45, 6427044), (52, 5561865), (54, 5355870), (60, 4820283), (62, 4664790), (65, 4449492), (78, 3707910), (81, 3570580), (90, 3213522), (93, 3109860), (108, 2677935), (117, 2471940), (124, 2332395), (130, 2224746), (135, 2142348), (155, 1865916), (156, 1853955), (162, 1785290), (180, 1606761), (186, 1554930), (195, 1483164), (234, 1235970), (260, 1112373), (270, 1071174), (279, 1036620), (310, 932958), (324, 892645), (351, 823980), (372, 777465), (390, 741582), (403, 717660), (405, 714116), (443, 652860), (465, 621972), (468, 617985), (540, 535587), (558, 518310), (585, 494388), (620, 466479), (702, 411990), (780, 370791), (806, 358830), (810, 357058), (837, 345540), (886, 326430), (930, 310986), (1053, 274660), (1116, 259155), (1170, 247194), (1209, 239220), (1329, 217620), (1395, 207324), (1404, 205995), (1612, 179415), (1620, 178529), (1674, 172770), (1755, 164796), (1772, 163215), (1860, 155493), (2015, 143532), (2106, 137330), (2215, 130572), (2340, 123597), (2418, 119610), (2511, 115180), (2658, 108810), (2790, 103662), (3348, 86385), (3510, 82398), (3627, 79740), (3987, 72540), (4030, 71766), (4185, 69108), (4212, 68665), (4430, 65286), (4836, 59805), (5022, 57590), (5265, 54932), (5316, 54405), (5580, 51831), (5759, 50220), (6045, 47844), (6645, 43524), (7020, 41199), (7254, 39870), (7974, 36270), (8060, 35883), (8370, 34554), (8860, 32643), (10044, 28795), (10530, 27466), (10881, 26580), (11518, 25110), (11961, 24180), (12090, 23922), (12555, 23036), (13290, 21762), (13733, 21060), (14508, 19935), (15948, 18135), (16740, 17277)]