87513240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 279417600

約数和(自身を除く): 191904360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 131, 152, 190, 228, 262, 285, 293, 380, 393, 456, 524, 570, 586, 655, 760, 786, 879, 1048, 1140, 1172, 1310, 1465, 1572, 1758, 1965, 2280, 2344, 2489, 2620, 2930, 3144, 3516, 3930, 4395, 4978, 5240, 5567, 5860, 7032, 7467, 7860, 8790, 9956, 11134, 11720, 12445, 14934, 15720, 16701, 17580, 19912, 22268, 24890, 27835, 29868, 33402, 35160, 37335, 38383, 44536, 49780, 55670, 59736, 66804, 74670, 76766, 83505, 99560, 111340, 115149, 133608, 149340, 153532, 167010, 191915, 222680, 230298, 298680, 307064, 334020, 383830, 460596, 575745, 668040, 729277, 767660, 921192, 1151490, 1458554, 1535320, 2187831, 2302980, 2917108, 3646385, 4375662, 4605960, 5834216, 7292770, 8751324, 10939155, 14585540, 17502648, 21878310, 29171080, 43756620, 87513240]

約数ペア:

[(1, 87513240), (2, 43756620), (3, 29171080), (4, 21878310), (5, 17502648), (6, 14585540), (8, 10939155), (10, 8751324), (12, 7292770), (15, 5834216), (19, 4605960), (20, 4375662), (24, 3646385), (30, 2917108), (38, 2302980), (40, 2187831), (57, 1535320), (60, 1458554), (76, 1151490), (95, 921192), (114, 767660), (120, 729277), (131, 668040), (152, 575745), (190, 460596), (228, 383830), (262, 334020), (285, 307064), (293, 298680), (380, 230298), (393, 222680), (456, 191915), (524, 167010), (570, 153532), (586, 149340), (655, 133608), (760, 115149), (786, 111340), (879, 99560), (1048, 83505), (1140, 76766), (1172, 74670), (1310, 66804), (1465, 59736), (1572, 55670), (1758, 49780), (1965, 44536), (2280, 38383), (2344, 37335), (2489, 35160), (2620, 33402), (2930, 29868), (3144, 27835), (3516, 24890), (3930, 22268), (4395, 19912), (4978, 17580), (5240, 16701), (5567, 15720), (5860, 14934), (7032, 12445), (7467, 11720), (7860, 11134), (8790, 9956)]