251989080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9677}}^1$

素因数の和:9729

約数の個数: 128

約数和(自身を含む): 891924480

約数和(自身を除く): 639935400

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, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 9677, 13020, 19354, 26040, 29031, 38708, 48385, 58062, 67739, 77416, 96770, 116124, 135478, 145155, 193540, 203217, 232248, 270956, 290310, 299987, 338695, 387080, 406434, 541912, 580620, 599974, 677390, 812868, 899961, 1016085, 1161240, 1199948, 1354780, 1499935, 1625736, 1799922, 2032170, 2099909, 2399896, 2709560, 2999870, 3599844, 4064340, 4199818, 4499805, 5999740, 6299727, 7199688, 8128680, 8399636, 8999610, 10499545, 11999480, 12599454, 16799272, 17999220, 20999090, 25198908, 31498635, 35998440, 41998180, 50397816, 62997270, 83996360, 125994540, 251989080]

約数ペア:

[(1, 251989080), (2, 125994540), (3, 83996360), (4, 62997270), (5, 50397816), (6, 41998180), (7, 35998440), (8, 31498635), (10, 25198908), (12, 20999090), (14, 17999220), (15, 16799272), (20, 12599454), (21, 11999480), (24, 10499545), (28, 8999610), (30, 8399636), (31, 8128680), (35, 7199688), (40, 6299727), (42, 5999740), (56, 4499805), (60, 4199818), (62, 4064340), (70, 3599844), (84, 2999870), (93, 2709560), (105, 2399896), (120, 2099909), (124, 2032170), (140, 1799922), (155, 1625736), (168, 1499935), (186, 1354780), (210, 1199948), (217, 1161240), (248, 1016085), (280, 899961), (310, 812868), (372, 677390), (420, 599974), (434, 580620), (465, 541912), (620, 406434), (651, 387080), (744, 338695), (840, 299987), (868, 290310), (930, 270956), (1085, 232248), (1240, 203217), (1302, 193540), (1736, 145155), (1860, 135478), (2170, 116124), (2604, 96770), (3255, 77416), (3720, 67739), (4340, 58062), (5208, 48385), (6510, 38708), (8680, 29031), (9677, 26040), (13020, 19354)]