1290259600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:430

約数の個数: 240

約数和(自身を含む): 3788646400

約数和(自身を除く): 2498386800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 79, 80, 95, 100, 112, 133, 140, 152, 158, 175, 190, 200, 266, 280, 304, 307, 316, 350, 380, 395, 400, 475, 532, 553, 560, 614, 632, 665, 700, 760, 790, 950, 1064, 1106, 1228, 1264, 1330, 1400, 1501, 1520, 1535, 1580, 1900, 1975, 2128, 2149, 2212, 2456, 2660, 2765, 2800, 3002, 3070, 3160, 3325, 3800, 3950, 4298, 4424, 4912, 5320, 5530, 5833, 6004, 6140, 6320, 6650, 7505, 7600, 7675, 7900, 8596, 8848, 10507, 10640, 10745, 11060, 11666, 12008, 12280, 13300, 13825, 15010, 15350, 15800, 17192, 21014, 21490, 22120, 23332, 24016, 24253, 24560, 26600, 27650, 29165, 30020, 30700, 31600, 34384, 37525, 40831, 42028, 42980, 44240, 46664, 48506, 52535, 53200, 53725, 55300, 58330, 60040, 61400, 75050, 81662, 84056, 85960, 93328, 97012, 105070, 107450, 110600, 116660, 120080, 121265, 122800, 145825, 150100, 163324, 168112, 169771, 171920, 194024, 204155, 210140, 214900, 221200, 233320, 242530, 262675, 291650, 300200, 326648, 339542, 388048, 408310, 420280, 429800, 460807, 466640, 485060, 525350, 583300, 600400, 606325, 653296, 679084, 816620, 840560, 848855, 859600, 921614, 970120, 1020775, 1050700, 1166600, 1212650, 1358168, 1633240, 1697710, 1843228, 1940240, 2041550, 2101400, 2304035, 2333200, 2425300, 2716336, 3225649, 3266480, 3395420, 3686456, 4083100, 4202800, 4244275, 4608070, 4850600, 6451298, 6790840, 7372912, 8166200, 8488550, 9216140, 9701200, 11520175, 12902596, 13581680, 16128245, 16332400, 16977100, 18432280, 23040350, 25805192, 32256490, 33954200, 36864560, 46080700, 51610384, 64512980, 67908400, 80641225, 92161400, 129025960, 161282450, 184322800, 258051920, 322564900, 645129800, 1290259600]

約数ペア:

[(1, 1290259600), (2, 645129800), (4, 322564900), (5, 258051920), (7, 184322800), (8, 161282450), (10, 129025960), (14, 92161400), (16, 80641225), (19, 67908400), (20, 64512980), (25, 51610384), (28, 46080700), (35, 36864560), (38, 33954200), (40, 32256490), (50, 25805192), (56, 23040350), (70, 18432280), (76, 16977100), (79, 16332400), (80, 16128245), (95, 13581680), (100, 12902596), (112, 11520175), (133, 9701200), (140, 9216140), (152, 8488550), (158, 8166200), (175, 7372912), (190, 6790840), (200, 6451298), (266, 4850600), (280, 4608070), (304, 4244275), (307, 4202800), (316, 4083100), (350, 3686456), (380, 3395420), (395, 3266480), (400, 3225649), (475, 2716336), (532, 2425300), (553, 2333200), (560, 2304035), (614, 2101400), (632, 2041550), (665, 1940240), (700, 1843228), (760, 1697710), (790, 1633240), (950, 1358168), (1064, 1212650), (1106, 1166600), (1228, 1050700), (1264, 1020775), (1330, 970120), (1400, 921614), (1501, 859600), (1520, 848855), (1535, 840560), (1580, 816620), (1900, 679084), (1975, 653296), (2128, 606325), (2149, 600400), (2212, 583300), (2456, 525350), (2660, 485060), (2765, 466640), (2800, 460807), (3002, 429800), (3070, 420280), (3160, 408310), (3325, 388048), (3800, 339542), (3950, 326648), (4298, 300200), (4424, 291650), (4912, 262675), (5320, 242530), (5530, 233320), (5833, 221200), (6004, 214900), (6140, 210140), (6320, 204155), (6650, 194024), (7505, 171920), (7600, 169771), (7675, 168112), (7900, 163324), (8596, 150100), (8848, 145825), (10507, 122800), (10640, 121265), (10745, 120080), (11060, 116660), (11666, 110600), (12008, 107450), (12280, 105070), (13300, 97012), (13825, 93328), (15010, 85960), (15350, 84056), (15800, 81662), (17192, 75050), (21014, 61400), (21490, 60040), (22120, 58330), (23332, 55300), (24016, 53725), (24253, 53200), (24560, 52535), (26600, 48506), (27650, 46664), (29165, 44240), (30020, 42980), (30700, 42028), (31600, 40831), (34384, 37525)]