1247871520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:463

約数の個数: 192

約数和(自身を含む): 3517710336

約数和(自身を除く): 2269838816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 127, 140, 155, 160, 217, 224, 248, 254, 280, 283, 310, 434, 496, 508, 560, 566, 620, 635, 868, 889, 992, 1016, 1085, 1120, 1132, 1240, 1270, 1415, 1736, 1778, 1981, 2032, 2170, 2264, 2480, 2540, 2830, 3472, 3556, 3937, 3962, 4064, 4340, 4445, 4528, 4960, 5080, 5660, 6944, 7112, 7874, 7924, 8680, 8773, 8890, 9056, 9905, 10160, 11320, 14224, 15748, 15848, 17360, 17546, 17780, 19685, 19810, 20320, 22640, 27559, 28448, 31496, 31696, 34720, 35092, 35560, 35941, 39370, 39620, 43865, 45280, 55118, 61411, 62992, 63392, 70184, 71120, 71882, 78740, 79240, 87730, 110236, 122822, 125984, 137795, 140368, 142240, 143764, 157480, 158480, 175460, 179705, 220472, 245644, 251587, 275590, 280736, 287528, 307055, 314960, 316960, 350920, 359410, 440944, 491288, 503174, 551180, 575056, 614110, 629920, 701840, 718820, 881888, 982576, 1006348, 1102360, 1114171, 1150112, 1228220, 1257935, 1403680, 1437640, 1965152, 2012696, 2204720, 2228342, 2456440, 2515870, 2875280, 4025392, 4409440, 4456684, 4912880, 5031740, 5570855, 5750560, 7799197, 8050784, 8913368, 9825760, 10063480, 11141710, 15598394, 17826736, 20126960, 22283420, 31196788, 35653472, 38995985, 40253920, 44566840, 62393576, 77991970, 89133680, 124787152, 155983940, 178267360, 249574304, 311967880, 623935760, 1247871520]

約数ペア:

[(1, 1247871520), (2, 623935760), (4, 311967880), (5, 249574304), (7, 178267360), (8, 155983940), (10, 124787152), (14, 89133680), (16, 77991970), (20, 62393576), (28, 44566840), (31, 40253920), (32, 38995985), (35, 35653472), (40, 31196788), (56, 22283420), (62, 20126960), (70, 17826736), (80, 15598394), (112, 11141710), (124, 10063480), (127, 9825760), (140, 8913368), (155, 8050784), (160, 7799197), (217, 5750560), (224, 5570855), (248, 5031740), (254, 4912880), (280, 4456684), (283, 4409440), (310, 4025392), (434, 2875280), (496, 2515870), (508, 2456440), (560, 2228342), (566, 2204720), (620, 2012696), (635, 1965152), (868, 1437640), (889, 1403680), (992, 1257935), (1016, 1228220), (1085, 1150112), (1120, 1114171), (1132, 1102360), (1240, 1006348), (1270, 982576), (1415, 881888), (1736, 718820), (1778, 701840), (1981, 629920), (2032, 614110), (2170, 575056), (2264, 551180), (2480, 503174), (2540, 491288), (2830, 440944), (3472, 359410), (3556, 350920), (3937, 316960), (3962, 314960), (4064, 307055), (4340, 287528), (4445, 280736), (4528, 275590), (4960, 251587), (5080, 245644), (5660, 220472), (6944, 179705), (7112, 175460), (7874, 158480), (7924, 157480), (8680, 143764), (8773, 142240), (8890, 140368), (9056, 137795), (9905, 125984), (10160, 122822), (11320, 110236), (14224, 87730), (15748, 79240), (15848, 78740), (17360, 71882), (17546, 71120), (17780, 70184), (19685, 63392), (19810, 62992), (20320, 61411), (22640, 55118), (27559, 45280), (28448, 43865), (31496, 39620), (31696, 39370), (34720, 35941), (35092, 35560)]