260587860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:898

約数の個数: 144

約数和(自身を含む): 816560640

約数和(自身を除く): 555972780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 620, 676, 780, 806, 829, 845, 930, 1014, 1209, 1612, 1658, 1690, 1860, 2015, 2028, 2418, 2487, 2535, 3316, 3380, 4030, 4145, 4836, 4974, 5070, 5239, 6045, 8060, 8290, 9948, 10140, 10478, 10777, 12090, 12435, 15717, 16580, 20956, 21554, 24180, 24870, 25699, 26195, 31434, 32331, 43108, 49740, 51398, 52390, 53885, 62868, 64662, 77097, 78585, 102796, 104780, 107770, 128495, 129324, 140101, 154194, 157170, 161655, 215540, 256990, 280202, 308388, 314340, 323310, 334087, 385485, 420303, 513980, 560404, 646620, 668174, 700505, 770970, 840606, 1002261, 1336348, 1401010, 1541940, 1670435, 1681212, 2004522, 2101515, 2802020, 3340870, 4009044, 4203030, 4343131, 5011305, 6681740, 8406060, 8686262, 10022610, 13029393, 17372524, 20045220, 21715655, 26058786, 43431310, 52117572, 65146965, 86862620, 130293930, 260587860]

約数ペア:

[(1, 260587860), (2, 130293930), (3, 86862620), (4, 65146965), (5, 52117572), (6, 43431310), (10, 26058786), (12, 21715655), (13, 20045220), (15, 17372524), (20, 13029393), (26, 10022610), (30, 8686262), (31, 8406060), (39, 6681740), (52, 5011305), (60, 4343131), (62, 4203030), (65, 4009044), (78, 3340870), (93, 2802020), (124, 2101515), (130, 2004522), (155, 1681212), (156, 1670435), (169, 1541940), (186, 1401010), (195, 1336348), (260, 1002261), (310, 840606), (338, 770970), (372, 700505), (390, 668174), (403, 646620), (465, 560404), (507, 513980), (620, 420303), (676, 385485), (780, 334087), (806, 323310), (829, 314340), (845, 308388), (930, 280202), (1014, 256990), (1209, 215540), (1612, 161655), (1658, 157170), (1690, 154194), (1860, 140101), (2015, 129324), (2028, 128495), (2418, 107770), (2487, 104780), (2535, 102796), (3316, 78585), (3380, 77097), (4030, 64662), (4145, 62868), (4836, 53885), (4974, 52390), (5070, 51398), (5239, 49740), (6045, 43108), (8060, 32331), (8290, 31434), (9948, 26195), (10140, 25699), (10478, 24870), (10777, 24180), (12090, 21554), (12435, 20956), (15717, 16580)]