78748920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 192

約数和(自身を含む): 279396000

約数和(自身を除く): 200647080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 57, 58, 60, 72, 76, 87, 90, 95, 114, 116, 120, 145, 152, 171, 174, 180, 190, 228, 232, 261, 285, 290, 342, 348, 360, 380, 397, 435, 456, 522, 551, 570, 580, 684, 696, 760, 794, 855, 870, 1044, 1102, 1140, 1160, 1191, 1305, 1368, 1588, 1653, 1710, 1740, 1985, 2088, 2204, 2280, 2382, 2610, 2755, 3176, 3306, 3420, 3480, 3573, 3970, 4408, 4764, 4959, 5220, 5510, 5955, 6612, 6840, 7146, 7543, 7940, 8265, 9528, 9918, 10440, 11020, 11513, 11910, 13224, 14292, 15086, 15880, 16530, 17865, 19836, 22040, 22629, 23026, 23820, 24795, 28584, 30172, 33060, 34539, 35730, 37715, 39672, 45258, 46052, 47640, 49590, 57565, 60344, 66120, 67887, 69078, 71460, 75430, 90516, 92104, 99180, 103617, 113145, 115130, 135774, 138156, 142920, 150860, 172695, 181032, 198360, 207234, 218747, 226290, 230260, 271548, 276312, 301720, 339435, 345390, 414468, 437494, 452580, 460520, 518085, 543096, 656241, 678870, 690780, 828936, 874988, 905160, 1036170, 1093735, 1312482, 1357740, 1381560, 1749976, 1968723, 2072340, 2187470, 2624964, 2715480, 3281205, 3937446, 4144680, 4374940, 5249928, 6562410, 7874892, 8749880, 9843615, 13124820, 15749784, 19687230, 26249640, 39374460, 78748920]

約数ペア:

[(1, 78748920), (2, 39374460), (3, 26249640), (4, 19687230), (5, 15749784), (6, 13124820), (8, 9843615), (9, 8749880), (10, 7874892), (12, 6562410), (15, 5249928), (18, 4374940), (19, 4144680), (20, 3937446), (24, 3281205), (29, 2715480), (30, 2624964), (36, 2187470), (38, 2072340), (40, 1968723), (45, 1749976), (57, 1381560), (58, 1357740), (60, 1312482), (72, 1093735), (76, 1036170), (87, 905160), (90, 874988), (95, 828936), (114, 690780), (116, 678870), (120, 656241), (145, 543096), (152, 518085), (171, 460520), (174, 452580), (180, 437494), (190, 414468), (228, 345390), (232, 339435), (261, 301720), (285, 276312), (290, 271548), (342, 230260), (348, 226290), (360, 218747), (380, 207234), (397, 198360), (435, 181032), (456, 172695), (522, 150860), (551, 142920), (570, 138156), (580, 135774), (684, 115130), (696, 113145), (760, 103617), (794, 99180), (855, 92104), (870, 90516), (1044, 75430), (1102, 71460), (1140, 69078), (1160, 67887), (1191, 66120), (1305, 60344), (1368, 57565), (1588, 49590), (1653, 47640), (1710, 46052), (1740, 45258), (1985, 39672), (2088, 37715), (2204, 35730), (2280, 34539), (2382, 33060), (2610, 30172), (2755, 28584), (3176, 24795), (3306, 23820), (3420, 23026), (3480, 22629), (3573, 22040), (3970, 19836), (4408, 17865), (4764, 16530), (4959, 15880), (5220, 15086), (5510, 14292), (5955, 13224), (6612, 11910), (6840, 11513), (7146, 11020), (7543, 10440), (7940, 9918), (8265, 9528)]