78897480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 247726080

約数和(自身を除く): 168828600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 127, 155, 167, 186, 248, 254, 310, 334, 372, 381, 465, 501, 508, 620, 635, 668, 744, 762, 835, 930, 1002, 1016, 1240, 1270, 1336, 1524, 1670, 1860, 1905, 2004, 2505, 2540, 3048, 3340, 3720, 3810, 3937, 4008, 5010, 5080, 5177, 6680, 7620, 7874, 10020, 10354, 11811, 15240, 15531, 15748, 19685, 20040, 20708, 21209, 23622, 25885, 31062, 31496, 39370, 41416, 42418, 47244, 51770, 59055, 62124, 63627, 77655, 78740, 84836, 94488, 103540, 106045, 118110, 124248, 127254, 155310, 157480, 169672, 207080, 212090, 236220, 254508, 310620, 318135, 424180, 472440, 509016, 621240, 636270, 657479, 848360, 1272540, 1314958, 1972437, 2545080, 2629916, 3287395, 3944874, 5259832, 6574790, 7889748, 9862185, 13149580, 15779496, 19724370, 26299160, 39448740, 78897480]

約数ペア:

[(1, 78897480), (2, 39448740), (3, 26299160), (4, 19724370), (5, 15779496), (6, 13149580), (8, 9862185), (10, 7889748), (12, 6574790), (15, 5259832), (20, 3944874), (24, 3287395), (30, 2629916), (31, 2545080), (40, 1972437), (60, 1314958), (62, 1272540), (93, 848360), (120, 657479), (124, 636270), (127, 621240), (155, 509016), (167, 472440), (186, 424180), (248, 318135), (254, 310620), (310, 254508), (334, 236220), (372, 212090), (381, 207080), (465, 169672), (501, 157480), (508, 155310), (620, 127254), (635, 124248), (668, 118110), (744, 106045), (762, 103540), (835, 94488), (930, 84836), (1002, 78740), (1016, 77655), (1240, 63627), (1270, 62124), (1336, 59055), (1524, 51770), (1670, 47244), (1860, 42418), (1905, 41416), (2004, 39370), (2505, 31496), (2540, 31062), (3048, 25885), (3340, 23622), (3720, 21209), (3810, 20708), (3937, 20040), (4008, 19685), (5010, 15748), (5080, 15531), (5177, 15240), (6680, 11811), (7620, 10354), (7874, 10020)]