628720920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 256

約数和(自身を含む): 2198016000

約数和(自身を除く): 1569295080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 89, 90, 93, 108, 120, 124, 135, 155, 178, 180, 186, 211, 216, 248, 267, 270, 279, 310, 356, 360, 372, 422, 445, 465, 534, 540, 558, 620, 633, 712, 744, 801, 837, 844, 890, 930, 1055, 1068, 1080, 1116, 1240, 1266, 1335, 1395, 1602, 1674, 1688, 1780, 1860, 1899, 2110, 2136, 2232, 2403, 2532, 2670, 2759, 2790, 3165, 3204, 3348, 3560, 3720, 3798, 4005, 4185, 4220, 4806, 5064, 5340, 5518, 5580, 5697, 6330, 6408, 6541, 6696, 7596, 8010, 8277, 8370, 8440, 9495, 9612, 10680, 11036, 11160, 11394, 12015, 12660, 13082, 13795, 15192, 16020, 16554, 16740, 18779, 18990, 19224, 19623, 22072, 22788, 24030, 24831, 25320, 26164, 27590, 28485, 32040, 32705, 33108, 33480, 37558, 37980, 39246, 41385, 45576, 48060, 49662, 52328, 55180, 56337, 56970, 58869, 65410, 66216, 74493, 75116, 75960, 78492, 82770, 93895, 96120, 98115, 99324, 110360, 112674, 113940, 117738, 124155, 130820, 148986, 150232, 156984, 165540, 169011, 176607, 187790, 196230, 198648, 225348, 227880, 235476, 248310, 261640, 281685, 294345, 297972, 331080, 338022, 353214, 372465, 375580, 392460, 450696, 470952, 496620, 507033, 563370, 582149, 588690, 595944, 676044, 706428, 744930, 751160, 784920, 845055, 883035, 993240, 1014066, 1126740, 1164298, 1177380, 1352088, 1412856, 1489860, 1690110, 1746447, 1766070, 2028132, 2253480, 2328596, 2354760, 2535165, 2910745, 2979720, 3380220, 3492894, 3532140, 4056264, 4657192, 5070330, 5239341, 5821490, 6760440, 6985788, 7064280, 8732235, 10140660, 10478682, 11642980, 13971576, 15718023, 17464470, 20281320, 20957364, 23285960, 26196705, 31436046, 34928940, 41914728, 52393410, 62872092, 69857880, 78590115, 104786820, 125744184, 157180230, 209573640, 314360460, 628720920]

約数ペア:

[(1, 628720920), (2, 314360460), (3, 209573640), (4, 157180230), (5, 125744184), (6, 104786820), (8, 78590115), (9, 69857880), (10, 62872092), (12, 52393410), (15, 41914728), (18, 34928940), (20, 31436046), (24, 26196705), (27, 23285960), (30, 20957364), (31, 20281320), (36, 17464470), (40, 15718023), (45, 13971576), (54, 11642980), (60, 10478682), (62, 10140660), (72, 8732235), (89, 7064280), (90, 6985788), (93, 6760440), (108, 5821490), (120, 5239341), (124, 5070330), (135, 4657192), (155, 4056264), (178, 3532140), (180, 3492894), (186, 3380220), (211, 2979720), (216, 2910745), (248, 2535165), (267, 2354760), (270, 2328596), (279, 2253480), (310, 2028132), (356, 1766070), (360, 1746447), (372, 1690110), (422, 1489860), (445, 1412856), (465, 1352088), (534, 1177380), (540, 1164298), (558, 1126740), (620, 1014066), (633, 993240), (712, 883035), (744, 845055), (801, 784920), (837, 751160), (844, 744930), (890, 706428), (930, 676044), (1055, 595944), (1068, 588690), (1080, 582149), (1116, 563370), (1240, 507033), (1266, 496620), (1335, 470952), (1395, 450696), (1602, 392460), (1674, 375580), (1688, 372465), (1780, 353214), (1860, 338022), (1899, 331080), (2110, 297972), (2136, 294345), (2232, 281685), (2403, 261640), (2532, 248310), (2670, 235476), (2759, 227880), (2790, 225348), (3165, 198648), (3204, 196230), (3348, 187790), (3560, 176607), (3720, 169011), (3798, 165540), (4005, 156984), (4185, 150232), (4220, 148986), (4806, 130820), (5064, 124155), (5340, 117738), (5518, 113940), (5580, 112674), (5697, 110360), (6330, 99324), (6408, 98115), (6541, 96120), (6696, 93895), (7596, 82770), (8010, 78492), (8277, 75960), (8370, 75116), (8440, 74493), (9495, 66216), (9612, 65410), (10680, 58869), (11036, 56970), (11160, 56337), (11394, 55180), (12015, 52328), (12660, 49662), (13082, 48060), (13795, 45576), (15192, 41385), (16020, 39246), (16554, 37980), (16740, 37558), (18779, 33480), (18990, 33108), (19224, 32705), (19623, 32040), (22072, 28485), (22788, 27590), (24030, 26164), (24831, 25320)]