64240680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2467}}^1$

素因数の和:2519

約数の個数: 128

約数和(自身を含む): 227450880

約数和(自身を除く): 163210200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2467, 2604, 3255, 3720, 4340, 4934, 5208, 6510, 7401, 8680, 9868, 12335, 13020, 14802, 17269, 19736, 24670, 26040, 29604, 34538, 37005, 49340, 51807, 59208, 69076, 74010, 76477, 86345, 98680, 103614, 138152, 148020, 152954, 172690, 207228, 229431, 259035, 296040, 305908, 345380, 382385, 414456, 458862, 518070, 535339, 611816, 690760, 764770, 917724, 1036140, 1070678, 1147155, 1529540, 1606017, 1835448, 2072280, 2141356, 2294310, 2676695, 3059080, 3212034, 4282712, 4588620, 5353390, 6424068, 8030085, 9177240, 10706780, 12848136, 16060170, 21413560, 32120340, 64240680]

約数ペア:

[(1, 64240680), (2, 32120340), (3, 21413560), (4, 16060170), (5, 12848136), (6, 10706780), (7, 9177240), (8, 8030085), (10, 6424068), (12, 5353390), (14, 4588620), (15, 4282712), (20, 3212034), (21, 3059080), (24, 2676695), (28, 2294310), (30, 2141356), (31, 2072280), (35, 1835448), (40, 1606017), (42, 1529540), (56, 1147155), (60, 1070678), (62, 1036140), (70, 917724), (84, 764770), (93, 690760), (105, 611816), (120, 535339), (124, 518070), (140, 458862), (155, 414456), (168, 382385), (186, 345380), (210, 305908), (217, 296040), (248, 259035), (280, 229431), (310, 207228), (372, 172690), (420, 152954), (434, 148020), (465, 138152), (620, 103614), (651, 98680), (744, 86345), (840, 76477), (868, 74010), (930, 69076), (1085, 59208), (1240, 51807), (1302, 49340), (1736, 37005), (1860, 34538), (2170, 29604), (2467, 26040), (2604, 24670), (3255, 19736), (3720, 17269), (4340, 14802), (4934, 13020), (5208, 12335), (6510, 9868), (7401, 8680)]