215678880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7883}}^1$

素因数の和:7923

約数の個数: 144

約数和(自身を含む): 774839520

約数和(自身を除く): 559160640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 7883, 9120, 13680, 15766, 23649, 27360, 31532, 39415, 47298, 63064, 70947, 78830, 94596, 118245, 126128, 141894, 149777, 157660, 189192, 236490, 252256, 283788, 299554, 315320, 354735, 378384, 449331, 472980, 567576, 599108, 630640, 709470, 748885, 756768, 898662, 945960, 1135152, 1198216, 1261280, 1347993, 1418940, 1497770, 1797324, 1891920, 2246655, 2270304, 2396432, 2695986, 2837880, 2995540, 3594648, 3783840, 4493310, 4792864, 5391972, 5675760, 5991080, 6739965, 7189296, 8986620, 10783944, 11351520, 11982160, 13479930, 14378592, 17973240, 21567888, 23964320, 26959860, 35946480, 43135776, 53919720, 71892960, 107839440, 215678880]

約数ペア:

[(1, 215678880), (2, 107839440), (3, 71892960), (4, 53919720), (5, 43135776), (6, 35946480), (8, 26959860), (9, 23964320), (10, 21567888), (12, 17973240), (15, 14378592), (16, 13479930), (18, 11982160), (19, 11351520), (20, 10783944), (24, 8986620), (30, 7189296), (32, 6739965), (36, 5991080), (38, 5675760), (40, 5391972), (45, 4792864), (48, 4493310), (57, 3783840), (60, 3594648), (72, 2995540), (76, 2837880), (80, 2695986), (90, 2396432), (95, 2270304), (96, 2246655), (114, 1891920), (120, 1797324), (144, 1497770), (152, 1418940), (160, 1347993), (171, 1261280), (180, 1198216), (190, 1135152), (228, 945960), (240, 898662), (285, 756768), (288, 748885), (304, 709470), (342, 630640), (360, 599108), (380, 567576), (456, 472980), (480, 449331), (570, 378384), (608, 354735), (684, 315320), (720, 299554), (760, 283788), (855, 252256), (912, 236490), (1140, 189192), (1368, 157660), (1440, 149777), (1520, 141894), (1710, 126128), (1824, 118245), (2280, 94596), (2736, 78830), (3040, 70947), (3420, 63064), (4560, 47298), (5472, 39415), (6840, 31532), (7883, 27360), (9120, 23649), (13680, 15766)]