2498795280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:518

約数の個数: 240

約数和(自身を含む): 8579450880

約数和(自身を除く): 6080655600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 197, 223, 237, 240, 316, 360, 394, 395, 446, 474, 591, 632, 669, 711, 720, 788, 790, 892, 948, 985, 1115, 1182, 1185, 1264, 1338, 1422, 1576, 1580, 1773, 1784, 1896, 1970, 2007, 2230, 2364, 2370, 2676, 2844, 2955, 3152, 3160, 3345, 3546, 3555, 3568, 3792, 3940, 4014, 4460, 4728, 4740, 5352, 5688, 5910, 6320, 6690, 7092, 7110, 7880, 8028, 8865, 8920, 9456, 9480, 10035, 10704, 11376, 11820, 13380, 14184, 14220, 15563, 15760, 16056, 17617, 17730, 17840, 18960, 20070, 23640, 26760, 28368, 28440, 31126, 32112, 35234, 35460, 40140, 43931, 46689, 47280, 52851, 53520, 56880, 62252, 70468, 70920, 77815, 80280, 87862, 88085, 93378, 105702, 124504, 131793, 140067, 140936, 141840, 155630, 158553, 160560, 175724, 176170, 186756, 211404, 219655, 233445, 249008, 263586, 264255, 280134, 281872, 311260, 317106, 351448, 352340, 373512, 395379, 422808, 439310, 466890, 527172, 528510, 560268, 622520, 634212, 658965, 700335, 702896, 704680, 747024, 790758, 792765, 845616, 878620, 933780, 1054344, 1057020, 1120536, 1245040, 1268424, 1317930, 1400670, 1409360, 1581516, 1585530, 1757240, 1867560, 1976895, 2108688, 2114040, 2241072, 2536848, 2635860, 2801340, 3163032, 3171060, 3470549, 3514480, 3735120, 3953790, 4228080, 5271720, 5602680, 6326064, 6342120, 6941098, 7907580, 10411647, 10543440, 11205360, 12684240, 13882196, 15815160, 17352745, 20823294, 27764392, 31234941, 31630320, 34705490, 41646588, 52058235, 55528784, 62469882, 69410980, 83293176, 104116470, 124939764, 138821960, 156174705, 166586352, 208232940, 249879528, 277643920, 312349410, 416465880, 499759056, 624698820, 832931760, 1249397640, 2498795280]

約数ペア:

[(1, 2498795280), (2, 1249397640), (3, 832931760), (4, 624698820), (5, 499759056), (6, 416465880), (8, 312349410), (9, 277643920), (10, 249879528), (12, 208232940), (15, 166586352), (16, 156174705), (18, 138821960), (20, 124939764), (24, 104116470), (30, 83293176), (36, 69410980), (40, 62469882), (45, 55528784), (48, 52058235), (60, 41646588), (72, 34705490), (79, 31630320), (80, 31234941), (90, 27764392), (120, 20823294), (144, 17352745), (158, 15815160), (180, 13882196), (197, 12684240), (223, 11205360), (237, 10543440), (240, 10411647), (316, 7907580), (360, 6941098), (394, 6342120), (395, 6326064), (446, 5602680), (474, 5271720), (591, 4228080), (632, 3953790), (669, 3735120), (711, 3514480), (720, 3470549), (788, 3171060), (790, 3163032), (892, 2801340), (948, 2635860), (985, 2536848), (1115, 2241072), (1182, 2114040), (1185, 2108688), (1264, 1976895), (1338, 1867560), (1422, 1757240), (1576, 1585530), (1580, 1581516), (1773, 1409360), (1784, 1400670), (1896, 1317930), (1970, 1268424), (2007, 1245040), (2230, 1120536), (2364, 1057020), (2370, 1054344), (2676, 933780), (2844, 878620), (2955, 845616), (3152, 792765), (3160, 790758), (3345, 747024), (3546, 704680), (3555, 702896), (3568, 700335), (3792, 658965), (3940, 634212), (4014, 622520), (4460, 560268), (4728, 528510), (4740, 527172), (5352, 466890), (5688, 439310), (5910, 422808), (6320, 395379), (6690, 373512), (7092, 352340), (7110, 351448), (7880, 317106), (8028, 311260), (8865, 281872), (8920, 280134), (9456, 264255), (9480, 263586), (10035, 249008), (10704, 233445), (11376, 219655), (11820, 211404), (13380, 186756), (14184, 176170), (14220, 175724), (15563, 160560), (15760, 158553), (16056, 155630), (17617, 141840), (17730, 140936), (17840, 140067), (18960, 131793), (20070, 124504), (23640, 105702), (26760, 93378), (28368, 88085), (28440, 87862), (31126, 80280), (32112, 77815), (35234, 70920), (35460, 70468), (40140, 62252), (43931, 56880), (46689, 53520), (47280, 52851)]