261510660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:563

約数の個数: 192

約数和(自身を含む): 877443840

約数和(自身を除く): 615933180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 61, 68, 85, 90, 102, 108, 122, 135, 153, 170, 180, 183, 204, 244, 255, 270, 305, 306, 340, 366, 459, 467, 510, 540, 549, 610, 612, 732, 765, 915, 918, 934, 1020, 1037, 1098, 1220, 1401, 1530, 1647, 1830, 1836, 1868, 2074, 2196, 2295, 2335, 2745, 2802, 3060, 3111, 3294, 3660, 4148, 4203, 4590, 4670, 5185, 5490, 5604, 6222, 6588, 7005, 7939, 8235, 8406, 9180, 9333, 9340, 10370, 10980, 12444, 12609, 14010, 15555, 15878, 16470, 16812, 18666, 20740, 21015, 23817, 25218, 27999, 28020, 28487, 31110, 31756, 32940, 37332, 39695, 42030, 46665, 47634, 50436, 55998, 56974, 62220, 63045, 71451, 79390, 84060, 85461, 93330, 95268, 111996, 113948, 119085, 126090, 139995, 142435, 142902, 158780, 170922, 186660, 214353, 238170, 252180, 256383, 279990, 284870, 285804, 341844, 357255, 427305, 428706, 476340, 484279, 512766, 559980, 569740, 714510, 769149, 854610, 857412, 968558, 1025532, 1071765, 1281915, 1429020, 1452837, 1538298, 1709220, 1937116, 2143530, 2421395, 2563830, 2905674, 3076596, 3845745, 4287060, 4358511, 4842790, 5127660, 5811348, 7264185, 7691490, 8717022, 9685580, 13075533, 14528370, 15382980, 17434044, 21792555, 26151066, 29056740, 43585110, 52302132, 65377665, 87170220, 130755330, 261510660]

約数ペア:

[(1, 261510660), (2, 130755330), (3, 87170220), (4, 65377665), (5, 52302132), (6, 43585110), (9, 29056740), (10, 26151066), (12, 21792555), (15, 17434044), (17, 15382980), (18, 14528370), (20, 13075533), (27, 9685580), (30, 8717022), (34, 7691490), (36, 7264185), (45, 5811348), (51, 5127660), (54, 4842790), (60, 4358511), (61, 4287060), (68, 3845745), (85, 3076596), (90, 2905674), (102, 2563830), (108, 2421395), (122, 2143530), (135, 1937116), (153, 1709220), (170, 1538298), (180, 1452837), (183, 1429020), (204, 1281915), (244, 1071765), (255, 1025532), (270, 968558), (305, 857412), (306, 854610), (340, 769149), (366, 714510), (459, 569740), (467, 559980), (510, 512766), (540, 484279), (549, 476340), (610, 428706), (612, 427305), (732, 357255), (765, 341844), (915, 285804), (918, 284870), (934, 279990), (1020, 256383), (1037, 252180), (1098, 238170), (1220, 214353), (1401, 186660), (1530, 170922), (1647, 158780), (1830, 142902), (1836, 142435), (1868, 139995), (2074, 126090), (2196, 119085), (2295, 113948), (2335, 111996), (2745, 95268), (2802, 93330), (3060, 85461), (3111, 84060), (3294, 79390), (3660, 71451), (4148, 63045), (4203, 62220), (4590, 56974), (4670, 55998), (5185, 50436), (5490, 47634), (5604, 46665), (6222, 42030), (6588, 39695), (7005, 37332), (7939, 32940), (8235, 31756), (8406, 31110), (9180, 28487), (9333, 28020), (9340, 27999), (10370, 25218), (10980, 23817), (12444, 21015), (12609, 20740), (14010, 18666), (15555, 16812), (15878, 16470)]