1780794720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{439}}^1$

素因数の和:779

約数の個数: 240

約数和(自身を含む): 6319162080

約数和(自身を除く): 4538367360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 313, 324, 360, 405, 432, 439, 480, 540, 626, 648, 720, 810, 864, 878, 939, 1080, 1252, 1296, 1317, 1440, 1565, 1620, 1756, 1878, 2160, 2195, 2504, 2592, 2634, 2817, 3130, 3240, 3512, 3756, 3951, 4320, 4390, 4695, 5008, 5268, 5634, 6260, 6480, 6585, 7024, 7512, 7902, 8451, 8780, 9390, 10016, 10536, 11268, 11853, 12520, 12960, 13170, 14048, 14085, 15024, 15804, 16902, 17560, 18780, 19755, 21072, 22536, 23706, 25040, 25353, 26340, 28170, 30048, 31608, 33804, 35120, 35559, 37560, 39510, 42144, 42255, 45072, 47412, 50080, 50706, 52680, 56340, 59265, 63216, 67608, 70240, 71118, 75120, 79020, 84510, 90144, 94824, 101412, 105360, 112680, 118530, 126432, 126765, 135216, 137407, 142236, 150240, 158040, 169020, 177795, 189648, 202824, 210720, 225360, 237060, 253530, 270432, 274814, 284472, 316080, 338040, 355590, 379296, 405648, 412221, 450720, 474120, 507060, 549628, 568944, 632160, 676080, 687035, 711180, 811296, 824442, 948240, 1014120, 1099256, 1137888, 1236663, 1352160, 1374070, 1422360, 1648884, 1896480, 2028240, 2061105, 2198512, 2473326, 2748140, 2844720, 3297768, 3709989, 4056480, 4122210, 4397024, 4946652, 5496280, 5689440, 6183315, 6595536, 7419978, 8244420, 9893304, 10992560, 11129967, 12366630, 13191072, 14839956, 16488840, 18549945, 19786608, 21985120, 22259934, 24733260, 29679912, 32977680, 37099890, 39573216, 44519868, 49466520, 55649835, 59359824, 65955360, 74199780, 89039736, 98933040, 111299670, 118719648, 148399560, 178079472, 197866080, 222599340, 296799120, 356158944, 445198680, 593598240, 890397360, 1780794720]

約数ペア:

[(1, 1780794720), (2, 890397360), (3, 593598240), (4, 445198680), (5, 356158944), (6, 296799120), (8, 222599340), (9, 197866080), (10, 178079472), (12, 148399560), (15, 118719648), (16, 111299670), (18, 98933040), (20, 89039736), (24, 74199780), (27, 65955360), (30, 59359824), (32, 55649835), (36, 49466520), (40, 44519868), (45, 39573216), (48, 37099890), (54, 32977680), (60, 29679912), (72, 24733260), (80, 22259934), (81, 21985120), (90, 19786608), (96, 18549945), (108, 16488840), (120, 14839956), (135, 13191072), (144, 12366630), (160, 11129967), (162, 10992560), (180, 9893304), (216, 8244420), (240, 7419978), (270, 6595536), (288, 6183315), (313, 5689440), (324, 5496280), (360, 4946652), (405, 4397024), (432, 4122210), (439, 4056480), (480, 3709989), (540, 3297768), (626, 2844720), (648, 2748140), (720, 2473326), (810, 2198512), (864, 2061105), (878, 2028240), (939, 1896480), (1080, 1648884), (1252, 1422360), (1296, 1374070), (1317, 1352160), (1440, 1236663), (1565, 1137888), (1620, 1099256), (1756, 1014120), (1878, 948240), (2160, 824442), (2195, 811296), (2504, 711180), (2592, 687035), (2634, 676080), (2817, 632160), (3130, 568944), (3240, 549628), (3512, 507060), (3756, 474120), (3951, 450720), (4320, 412221), (4390, 405648), (4695, 379296), (5008, 355590), (5268, 338040), (5634, 316080), (6260, 284472), (6480, 274814), (6585, 270432), (7024, 253530), (7512, 237060), (7902, 225360), (8451, 210720), (8780, 202824), (9390, 189648), (10016, 177795), (10536, 169020), (11268, 158040), (11853, 150240), (12520, 142236), (12960, 137407), (13170, 135216), (14048, 126765), (14085, 126432), (15024, 118530), (15804, 112680), (16902, 105360), (17560, 101412), (18780, 94824), (19755, 90144), (21072, 84510), (22536, 79020), (23706, 75120), (25040, 71118), (25353, 70240), (26340, 67608), (28170, 63216), (30048, 59265), (31608, 56340), (33804, 52680), (35120, 50706), (35559, 50080), (37560, 47412), (39510, 45072), (42144, 42255)]