1278845280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{761}}^1$

素因数の和:1174

約数の個数: 192

約数和(自身を含む): 4493361600

約数和(自身を除く): 3214516320

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, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 389, 432, 480, 540, 720, 761, 778, 864, 1080, 1167, 1440, 1522, 1556, 1945, 2160, 2283, 2334, 3044, 3112, 3501, 3805, 3890, 4320, 4566, 4668, 5835, 6088, 6224, 6849, 7002, 7610, 7780, 9132, 9336, 10503, 11415, 11670, 12176, 12448, 13698, 14004, 15220, 15560, 17505, 18264, 18672, 20547, 21006, 22830, 23340, 24352, 27396, 28008, 30440, 31120, 34245, 35010, 36528, 37344, 41094, 42012, 45660, 46680, 52515, 54792, 56016, 60880, 62240, 68490, 70020, 73056, 82188, 84024, 91320, 93360, 102735, 105030, 109584, 112032, 121760, 136980, 140040, 164376, 168048, 182640, 186720, 205470, 210060, 219168, 273960, 280080, 296029, 328752, 336096, 365280, 410940, 420120, 547920, 560160, 592058, 657504, 821880, 840240, 888087, 1095840, 1184116, 1480145, 1643760, 1680480, 1776174, 2368232, 2664261, 2960290, 3287520, 3552348, 4440435, 4736464, 5328522, 5920580, 7104696, 7992783, 8880870, 9472928, 10657044, 11841160, 13321305, 14209392, 15985566, 17761740, 21314088, 23682320, 26642610, 28418784, 31971132, 35523480, 39963915, 42628176, 47364640, 53285220, 63942264, 71046960, 79927830, 85256352, 106570440, 127884528, 142093920, 159855660, 213140880, 255769056, 319711320, 426281760, 639422640, 1278845280]

約数ペア:

[(1, 1278845280), (2, 639422640), (3, 426281760), (4, 319711320), (5, 255769056), (6, 213140880), (8, 159855660), (9, 142093920), (10, 127884528), (12, 106570440), (15, 85256352), (16, 79927830), (18, 71046960), (20, 63942264), (24, 53285220), (27, 47364640), (30, 42628176), (32, 39963915), (36, 35523480), (40, 31971132), (45, 28418784), (48, 26642610), (54, 23682320), (60, 21314088), (72, 17761740), (80, 15985566), (90, 14209392), (96, 13321305), (108, 11841160), (120, 10657044), (135, 9472928), (144, 8880870), (160, 7992783), (180, 7104696), (216, 5920580), (240, 5328522), (270, 4736464), (288, 4440435), (360, 3552348), (389, 3287520), (432, 2960290), (480, 2664261), (540, 2368232), (720, 1776174), (761, 1680480), (778, 1643760), (864, 1480145), (1080, 1184116), (1167, 1095840), (1440, 888087), (1522, 840240), (1556, 821880), (1945, 657504), (2160, 592058), (2283, 560160), (2334, 547920), (3044, 420120), (3112, 410940), (3501, 365280), (3805, 336096), (3890, 328752), (4320, 296029), (4566, 280080), (4668, 273960), (5835, 219168), (6088, 210060), (6224, 205470), (6849, 186720), (7002, 182640), (7610, 168048), (7780, 164376), (9132, 140040), (9336, 136980), (10503, 121760), (11415, 112032), (11670, 109584), (12176, 105030), (12448, 102735), (13698, 93360), (14004, 91320), (15220, 84024), (15560, 82188), (17505, 73056), (18264, 70020), (18672, 68490), (20547, 62240), (21006, 60880), (22830, 56016), (23340, 54792), (24352, 52515), (27396, 46680), (28008, 45660), (30440, 42012), (31120, 41094), (34245, 37344), (35010, 36528)]