620115840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{541}}^1$

素因数の和:765

約数の個数: 192

約数和(自身を含む): 2156076000

約数和(自身を除く): 1535960160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 199, 240, 288, 320, 360, 384, 398, 480, 541, 576, 597, 640, 720, 796, 960, 995, 1082, 1152, 1194, 1440, 1592, 1623, 1791, 1920, 1990, 2164, 2388, 2705, 2880, 2985, 3184, 3246, 3582, 3980, 4328, 4776, 4869, 5410, 5760, 5970, 6368, 6492, 7164, 7960, 8115, 8656, 8955, 9552, 9738, 10820, 11940, 12736, 12984, 14328, 15920, 16230, 17312, 17910, 19104, 19476, 21640, 23880, 24345, 25472, 25968, 28656, 31840, 32460, 34624, 35820, 38208, 38952, 43280, 47760, 48690, 51936, 57312, 63680, 64920, 69248, 71640, 76416, 77904, 86560, 95520, 97380, 103872, 107659, 114624, 127360, 129840, 143280, 155808, 173120, 191040, 194760, 207744, 215318, 229248, 259680, 286560, 311616, 322977, 346240, 382080, 389520, 430636, 519360, 538295, 573120, 623232, 645954, 779040, 861272, 968931, 1038720, 1076590, 1146240, 1291908, 1558080, 1614885, 1722544, 1937862, 2153180, 2583816, 3116160, 3229770, 3445088, 3875724, 4306360, 4844655, 5167632, 6459540, 6890176, 7751448, 8612720, 9689310, 10335264, 12919080, 13780352, 15502896, 17225440, 19378620, 20670528, 25838160, 31005792, 34450880, 38757240, 41341056, 51676320, 62011584, 68901760, 77514480, 103352640, 124023168, 155028960, 206705280, 310057920, 620115840]

約数ペア:

[(1, 620115840), (2, 310057920), (3, 206705280), (4, 155028960), (5, 124023168), (6, 103352640), (8, 77514480), (9, 68901760), (10, 62011584), (12, 51676320), (15, 41341056), (16, 38757240), (18, 34450880), (20, 31005792), (24, 25838160), (30, 20670528), (32, 19378620), (36, 17225440), (40, 15502896), (45, 13780352), (48, 12919080), (60, 10335264), (64, 9689310), (72, 8612720), (80, 7751448), (90, 6890176), (96, 6459540), (120, 5167632), (128, 4844655), (144, 4306360), (160, 3875724), (180, 3445088), (192, 3229770), (199, 3116160), (240, 2583816), (288, 2153180), (320, 1937862), (360, 1722544), (384, 1614885), (398, 1558080), (480, 1291908), (541, 1146240), (576, 1076590), (597, 1038720), (640, 968931), (720, 861272), (796, 779040), (960, 645954), (995, 623232), (1082, 573120), (1152, 538295), (1194, 519360), (1440, 430636), (1592, 389520), (1623, 382080), (1791, 346240), (1920, 322977), (1990, 311616), (2164, 286560), (2388, 259680), (2705, 229248), (2880, 215318), (2985, 207744), (3184, 194760), (3246, 191040), (3582, 173120), (3980, 155808), (4328, 143280), (4776, 129840), (4869, 127360), (5410, 114624), (5760, 107659), (5970, 103872), (6368, 97380), (6492, 95520), (7164, 86560), (7960, 77904), (8115, 76416), (8656, 71640), (8955, 69248), (9552, 64920), (9738, 63680), (10820, 57312), (11940, 51936), (12736, 48690), (12984, 47760), (14328, 43280), (15920, 38952), (16230, 38208), (17312, 35820), (17910, 34624), (19104, 32460), (19476, 31840), (21640, 28656), (23880, 25968), (24345, 25472)]