251599680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:661

約数の個数: 168

約数和(自身を含む): 871728000

約数和(自身を除く): 620128320

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, 144, 160, 180, 192, 199, 240, 288, 320, 360, 398, 439, 480, 576, 597, 720, 796, 878, 960, 995, 1194, 1317, 1440, 1592, 1756, 1791, 1990, 2195, 2388, 2634, 2880, 2985, 3184, 3512, 3582, 3951, 3980, 4390, 4776, 5268, 5970, 6368, 6585, 7024, 7164, 7902, 7960, 8780, 8955, 9552, 10536, 11940, 12736, 13170, 14048, 14328, 15804, 15920, 17560, 17910, 19104, 19755, 21072, 23880, 26340, 28096, 28656, 31608, 31840, 35120, 35820, 38208, 39510, 42144, 47760, 52680, 57312, 63216, 63680, 70240, 71640, 79020, 84288, 87361, 95520, 105360, 114624, 126432, 140480, 143280, 158040, 174722, 191040, 210720, 252864, 262083, 286560, 316080, 349444, 421440, 436805, 524166, 573120, 632160, 698888, 786249, 873610, 1048332, 1264320, 1310415, 1397776, 1572498, 1747220, 2096664, 2620830, 2795552, 3144996, 3494440, 3931245, 4193328, 5241660, 5591104, 6289992, 6988880, 7862490, 8386656, 10483320, 12579984, 13977760, 15724980, 16773312, 20966640, 25159968, 27955520, 31449960, 41933280, 50319936, 62899920, 83866560, 125799840, 251599680]

約数ペア:

[(1, 251599680), (2, 125799840), (3, 83866560), (4, 62899920), (5, 50319936), (6, 41933280), (8, 31449960), (9, 27955520), (10, 25159968), (12, 20966640), (15, 16773312), (16, 15724980), (18, 13977760), (20, 12579984), (24, 10483320), (30, 8386656), (32, 7862490), (36, 6988880), (40, 6289992), (45, 5591104), (48, 5241660), (60, 4193328), (64, 3931245), (72, 3494440), (80, 3144996), (90, 2795552), (96, 2620830), (120, 2096664), (144, 1747220), (160, 1572498), (180, 1397776), (192, 1310415), (199, 1264320), (240, 1048332), (288, 873610), (320, 786249), (360, 698888), (398, 632160), (439, 573120), (480, 524166), (576, 436805), (597, 421440), (720, 349444), (796, 316080), (878, 286560), (960, 262083), (995, 252864), (1194, 210720), (1317, 191040), (1440, 174722), (1592, 158040), (1756, 143280), (1791, 140480), (1990, 126432), (2195, 114624), (2388, 105360), (2634, 95520), (2880, 87361), (2985, 84288), (3184, 79020), (3512, 71640), (3582, 70240), (3951, 63680), (3980, 63216), (4390, 57312), (4776, 52680), (5268, 47760), (5970, 42144), (6368, 39510), (6585, 38208), (7024, 35820), (7164, 35120), (7902, 31840), (7960, 31608), (8780, 28656), (8955, 28096), (9552, 26340), (10536, 23880), (11940, 21072), (12736, 19755), (13170, 19104), (14048, 17910), (14328, 17560), (15804, 15920)]