1280495520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{947}}^1$

素因数の和:1284

約数の個数: 192

約数和(自身を含む): 4500800640

約数和(自身を除く): 3220305120

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, 313, 360, 432, 480, 540, 626, 720, 864, 939, 947, 1080, 1252, 1440, 1565, 1878, 1894, 2160, 2504, 2817, 2841, 3130, 3756, 3788, 4320, 4695, 4735, 5008, 5634, 5682, 6260, 7512, 7576, 8451, 8523, 9390, 9470, 10016, 11268, 11364, 12520, 14085, 14205, 15024, 15152, 16902, 17046, 18780, 18940, 22536, 22728, 25040, 25569, 28170, 28410, 30048, 30304, 33804, 34092, 37560, 37880, 42255, 42615, 45072, 45456, 50080, 51138, 56340, 56820, 67608, 68184, 75120, 75760, 84510, 85230, 90144, 90912, 102276, 112680, 113640, 127845, 135216, 136368, 150240, 151520, 169020, 170460, 204552, 225360, 227280, 255690, 270432, 272736, 296411, 338040, 340920, 409104, 450720, 454560, 511380, 592822, 676080, 681840, 818208, 889233, 1022760, 1185644, 1352160, 1363680, 1482055, 1778466, 2045520, 2371288, 2667699, 2964110, 3556932, 4091040, 4446165, 4742576, 5335398, 5928220, 7113864, 8003097, 8892330, 9485152, 10670796, 11856440, 13338495, 14227728, 16006194, 17784660, 21341592, 23712880, 26676990, 28455456, 32012388, 35569320, 40015485, 42683184, 47425760, 53353980, 64024776, 71138640, 80030970, 85366368, 106707960, 128049552, 142277280, 160061940, 213415920, 256099104, 320123880, 426831840, 640247760, 1280495520]

約数ペア:

[(1, 1280495520), (2, 640247760), (3, 426831840), (4, 320123880), (5, 256099104), (6, 213415920), (8, 160061940), (9, 142277280), (10, 128049552), (12, 106707960), (15, 85366368), (16, 80030970), (18, 71138640), (20, 64024776), (24, 53353980), (27, 47425760), (30, 42683184), (32, 40015485), (36, 35569320), (40, 32012388), (45, 28455456), (48, 26676990), (54, 23712880), (60, 21341592), (72, 17784660), (80, 16006194), (90, 14227728), (96, 13338495), (108, 11856440), (120, 10670796), (135, 9485152), (144, 8892330), (160, 8003097), (180, 7113864), (216, 5928220), (240, 5335398), (270, 4742576), (288, 4446165), (313, 4091040), (360, 3556932), (432, 2964110), (480, 2667699), (540, 2371288), (626, 2045520), (720, 1778466), (864, 1482055), (939, 1363680), (947, 1352160), (1080, 1185644), (1252, 1022760), (1440, 889233), (1565, 818208), (1878, 681840), (1894, 676080), (2160, 592822), (2504, 511380), (2817, 454560), (2841, 450720), (3130, 409104), (3756, 340920), (3788, 338040), (4320, 296411), (4695, 272736), (4735, 270432), (5008, 255690), (5634, 227280), (5682, 225360), (6260, 204552), (7512, 170460), (7576, 169020), (8451, 151520), (8523, 150240), (9390, 136368), (9470, 135216), (10016, 127845), (11268, 113640), (11364, 112680), (12520, 102276), (14085, 90912), (14205, 90144), (15024, 85230), (15152, 84510), (16902, 75760), (17046, 75120), (18780, 68184), (18940, 67608), (22536, 56820), (22728, 56340), (25040, 51138), (25569, 50080), (28170, 45456), (28410, 45072), (30048, 42615), (30304, 42255), (33804, 37880), (34092, 37560)]