15311700320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{977}}^1\times {\mathrm{1999}}^1$

素因数の和:3005

約数の個数: 144

約数和(自身を含む): 42143976000

約数和(自身を除く): 26832275680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 977, 980, 1120, 1568, 1954, 1960, 1999, 3908, 3920, 3998, 4885, 6839, 7816, 7840, 7996, 9770, 9995, 13678, 13993, 15632, 15992, 19540, 19990, 27356, 27986, 31264, 31984, 34195, 39080, 39980, 47873, 54712, 55972, 63968, 68390, 69965, 78160, 79960, 95746, 97951, 109424, 111944, 136780, 139930, 156320, 159920, 191492, 195902, 218848, 223888, 239365, 273560, 279860, 319840, 382984, 391804, 447776, 478730, 489755, 547120, 559720, 765968, 783608, 957460, 979510, 1094240, 1119440, 1531936, 1567216, 1914920, 1953023, 1959020, 2238880, 3134432, 3829840, 3906046, 3918040, 7659680, 7812092, 7836080, 9765115, 13671161, 15624184, 15672160, 19530230, 27342322, 31248368, 39060460, 54684644, 62496736, 68355805, 78120920, 95698127, 109369288, 136711610, 156241840, 191396254, 218738576, 273423220, 312483680, 382792508, 437477152, 478490635, 546846440, 765585016, 956981270, 1093692880, 1531170032, 1913962540, 2187385760, 3062340064, 3827925080, 7655850160, 15311700320]

約数ペア:

[(1, 15311700320), (2, 7655850160), (4, 3827925080), (5, 3062340064), (7, 2187385760), (8, 1913962540), (10, 1531170032), (14, 1093692880), (16, 956981270), (20, 765585016), (28, 546846440), (32, 478490635), (35, 437477152), (40, 382792508), (49, 312483680), (56, 273423220), (70, 218738576), (80, 191396254), (98, 156241840), (112, 136711610), (140, 109369288), (160, 95698127), (196, 78120920), (224, 68355805), (245, 62496736), (280, 54684644), (392, 39060460), (490, 31248368), (560, 27342322), (784, 19530230), (977, 15672160), (980, 15624184), (1120, 13671161), (1568, 9765115), (1954, 7836080), (1960, 7812092), (1999, 7659680), (3908, 3918040), (3920, 3906046), (3998, 3829840), (4885, 3134432), (6839, 2238880), (7816, 1959020), (7840, 1953023), (7996, 1914920), (9770, 1567216), (9995, 1531936), (13678, 1119440), (13993, 1094240), (15632, 979510), (15992, 957460), (19540, 783608), (19990, 765968), (27356, 559720), (27986, 547120), (31264, 489755), (31984, 478730), (34195, 447776), (39080, 391804), (39980, 382984), (47873, 319840), (54712, 279860), (55972, 273560), (63968, 239365), (68390, 223888), (69965, 218848), (78160, 195902), (79960, 191492), (95746, 159920), (97951, 156320), (109424, 139930), (111944, 136780)]