128338920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:712

約数の個数: 192

約数和(自身を含む): 454896000

約数和(自身を除く): 326557080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 57, 58, 60, 72, 76, 87, 90, 95, 114, 116, 120, 145, 152, 171, 174, 180, 190, 228, 232, 261, 285, 290, 342, 348, 360, 380, 435, 456, 522, 551, 570, 580, 647, 684, 696, 760, 855, 870, 1044, 1102, 1140, 1160, 1294, 1305, 1368, 1653, 1710, 1740, 1941, 2088, 2204, 2280, 2588, 2610, 2755, 3235, 3306, 3420, 3480, 3882, 4408, 4959, 5176, 5220, 5510, 5823, 6470, 6612, 6840, 7764, 8265, 9705, 9918, 10440, 11020, 11646, 12293, 12940, 13224, 15528, 16530, 18763, 19410, 19836, 22040, 23292, 24586, 24795, 25880, 29115, 33060, 36879, 37526, 38820, 39672, 46584, 49172, 49590, 56289, 58230, 61465, 66120, 73758, 75052, 77640, 93815, 98344, 99180, 110637, 112578, 116460, 122930, 147516, 150104, 168867, 184395, 187630, 198360, 221274, 225156, 232920, 245860, 281445, 295032, 337734, 356497, 368790, 375260, 442548, 450312, 491720, 553185, 562890, 675468, 712994, 737580, 750520, 844335, 885096, 1069491, 1106370, 1125780, 1350936, 1425988, 1475160, 1688670, 1782485, 2138982, 2212740, 2251560, 2851976, 3208473, 3377340, 3564970, 4277964, 4425480, 5347455, 6416946, 6754680, 7129940, 8555928, 10694910, 12833892, 14259880, 16042365, 21389820, 25667784, 32084730, 42779640, 64169460, 128338920]

約数ペア:

[(1, 128338920), (2, 64169460), (3, 42779640), (4, 32084730), (5, 25667784), (6, 21389820), (8, 16042365), (9, 14259880), (10, 12833892), (12, 10694910), (15, 8555928), (18, 7129940), (19, 6754680), (20, 6416946), (24, 5347455), (29, 4425480), (30, 4277964), (36, 3564970), (38, 3377340), (40, 3208473), (45, 2851976), (57, 2251560), (58, 2212740), (60, 2138982), (72, 1782485), (76, 1688670), (87, 1475160), (90, 1425988), (95, 1350936), (114, 1125780), (116, 1106370), (120, 1069491), (145, 885096), (152, 844335), (171, 750520), (174, 737580), (180, 712994), (190, 675468), (228, 562890), (232, 553185), (261, 491720), (285, 450312), (290, 442548), (342, 375260), (348, 368790), (360, 356497), (380, 337734), (435, 295032), (456, 281445), (522, 245860), (551, 232920), (570, 225156), (580, 221274), (647, 198360), (684, 187630), (696, 184395), (760, 168867), (855, 150104), (870, 147516), (1044, 122930), (1102, 116460), (1140, 112578), (1160, 110637), (1294, 99180), (1305, 98344), (1368, 93815), (1653, 77640), (1710, 75052), (1740, 73758), (1941, 66120), (2088, 61465), (2204, 58230), (2280, 56289), (2588, 49590), (2610, 49172), (2755, 46584), (3235, 39672), (3306, 38820), (3420, 37526), (3480, 36879), (3882, 33060), (4408, 29115), (4959, 25880), (5176, 24795), (5220, 24586), (5510, 23292), (5823, 22040), (6470, 19836), (6612, 19410), (6840, 18763), (7764, 16530), (8265, 15528), (9705, 13224), (9918, 12940), (10440, 12293), (11020, 11646)]