28537980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 84080640

約数和(自身を除く): 55542660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 67, 93, 124, 134, 155, 186, 201, 229, 268, 310, 335, 372, 402, 458, 465, 620, 670, 687, 804, 916, 930, 1005, 1145, 1340, 1374, 1860, 2010, 2077, 2290, 2748, 3435, 4020, 4154, 4580, 6231, 6870, 7099, 8308, 10385, 12462, 13740, 14198, 15343, 20770, 21297, 24924, 28396, 30686, 31155, 35495, 41540, 42594, 46029, 61372, 62310, 70990, 76715, 85188, 92058, 106485, 124620, 141980, 153430, 184116, 212970, 230145, 306860, 425940, 460290, 475633, 920580, 951266, 1426899, 1902532, 2378165, 2853798, 4756330, 5707596, 7134495, 9512660, 14268990, 28537980]

約数ペア:

[(1, 28537980), (2, 14268990), (3, 9512660), (4, 7134495), (5, 5707596), (6, 4756330), (10, 2853798), (12, 2378165), (15, 1902532), (20, 1426899), (30, 951266), (31, 920580), (60, 475633), (62, 460290), (67, 425940), (93, 306860), (124, 230145), (134, 212970), (155, 184116), (186, 153430), (201, 141980), (229, 124620), (268, 106485), (310, 92058), (335, 85188), (372, 76715), (402, 70990), (458, 62310), (465, 61372), (620, 46029), (670, 42594), (687, 41540), (804, 35495), (916, 31155), (930, 30686), (1005, 28396), (1145, 24924), (1340, 21297), (1374, 20770), (1860, 15343), (2010, 14198), (2077, 13740), (2290, 12462), (2748, 10385), (3435, 8308), (4020, 7099), (4154, 6870), (4580, 6231)]