51755480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 143700480

約数和(自身を除く): 91945000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 83, 85, 119, 131, 136, 140, 166, 170, 238, 262, 280, 332, 340, 415, 476, 524, 581, 595, 655, 664, 680, 830, 917, 952, 1048, 1162, 1190, 1310, 1411, 1660, 1834, 2227, 2324, 2380, 2620, 2822, 2905, 3320, 3668, 4454, 4585, 4648, 4760, 5240, 5644, 5810, 7055, 7336, 8908, 9170, 9877, 10873, 11135, 11288, 11620, 14110, 15589, 17816, 18340, 19754, 21746, 22270, 23240, 28220, 31178, 36680, 39508, 43492, 44540, 49385, 54365, 56440, 62356, 76111, 77945, 79016, 86984, 89080, 98770, 108730, 124712, 152222, 155890, 184841, 197540, 217460, 304444, 311780, 369682, 380555, 395080, 434920, 608888, 623560, 739364, 761110, 924205, 1293887, 1478728, 1522220, 1848410, 2587774, 3044440, 3696820, 5175548, 6469435, 7393640, 10351096, 12938870, 25877740, 51755480]

約数ペア:

[(1, 51755480), (2, 25877740), (4, 12938870), (5, 10351096), (7, 7393640), (8, 6469435), (10, 5175548), (14, 3696820), (17, 3044440), (20, 2587774), (28, 1848410), (34, 1522220), (35, 1478728), (40, 1293887), (56, 924205), (68, 761110), (70, 739364), (83, 623560), (85, 608888), (119, 434920), (131, 395080), (136, 380555), (140, 369682), (166, 311780), (170, 304444), (238, 217460), (262, 197540), (280, 184841), (332, 155890), (340, 152222), (415, 124712), (476, 108730), (524, 98770), (581, 89080), (595, 86984), (655, 79016), (664, 77945), (680, 76111), (830, 62356), (917, 56440), (952, 54365), (1048, 49385), (1162, 44540), (1190, 43492), (1310, 39508), (1411, 36680), (1660, 31178), (1834, 28220), (2227, 23240), (2324, 22270), (2380, 21746), (2620, 19754), (2822, 18340), (2905, 17816), (3320, 15589), (3668, 14110), (4454, 11620), (4585, 11288), (4648, 11135), (4760, 10873), (5240, 9877), (5644, 9170), (5810, 8908), (7055, 7336)]