15389080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 43390080

約数和(自身を除く): 28001000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 53, 56, 61, 68, 70, 85, 106, 119, 122, 136, 140, 170, 212, 238, 244, 265, 280, 305, 340, 371, 424, 427, 476, 488, 530, 595, 610, 680, 742, 854, 901, 952, 1037, 1060, 1190, 1220, 1484, 1708, 1802, 1855, 2074, 2120, 2135, 2380, 2440, 2968, 3233, 3416, 3604, 3710, 4148, 4270, 4505, 4760, 5185, 6307, 6466, 7208, 7259, 7420, 8296, 8540, 9010, 10370, 12614, 12932, 14518, 14840, 16165, 17080, 18020, 20740, 22631, 25228, 25864, 29036, 31535, 32330, 36040, 36295, 41480, 45262, 50456, 54961, 58072, 63070, 64660, 72590, 90524, 109922, 113155, 126140, 129320, 145180, 181048, 219844, 226310, 252280, 274805, 290360, 384727, 439688, 452620, 549610, 769454, 905240, 1099220, 1538908, 1923635, 2198440, 3077816, 3847270, 7694540, 15389080]

約数ペア:

[(1, 15389080), (2, 7694540), (4, 3847270), (5, 3077816), (7, 2198440), (8, 1923635), (10, 1538908), (14, 1099220), (17, 905240), (20, 769454), (28, 549610), (34, 452620), (35, 439688), (40, 384727), (53, 290360), (56, 274805), (61, 252280), (68, 226310), (70, 219844), (85, 181048), (106, 145180), (119, 129320), (122, 126140), (136, 113155), (140, 109922), (170, 90524), (212, 72590), (238, 64660), (244, 63070), (265, 58072), (280, 54961), (305, 50456), (340, 45262), (371, 41480), (424, 36295), (427, 36040), (476, 32330), (488, 31535), (530, 29036), (595, 25864), (610, 25228), (680, 22631), (742, 20740), (854, 18020), (901, 17080), (952, 16165), (1037, 14840), (1060, 14518), (1190, 12932), (1220, 12614), (1484, 10370), (1708, 9010), (1802, 8540), (1855, 8296), (2074, 7420), (2120, 7259), (2135, 7208), (2380, 6466), (2440, 6307), (2968, 5185), (3233, 4760), (3416, 4505), (3604, 4270), (3710, 4148)]