65431440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4783}}^1$

素因数の和:4821

約数の個数: 120

約数和(自身を含む): 231354240

約数和(自身を除く): 165922800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 4783, 6840, 9566, 13680, 14349, 19132, 23915, 28698, 38264, 43047, 47830, 57396, 71745, 76528, 86094, 90877, 95660, 114792, 143490, 172188, 181754, 191320, 215235, 229584, 272631, 286980, 344376, 363508, 382640, 430470, 454385, 545262, 573960, 688752, 727016, 817893, 860940, 908770, 1090524, 1147920, 1363155, 1454032, 1635786, 1721880, 1817540, 2181048, 2726310, 3271572, 3443760, 3635080, 4089465, 4362096, 5452620, 6543144, 7270160, 8178930, 10905240, 13086288, 16357860, 21810480, 32715720, 65431440]

約数ペア:

[(1, 65431440), (2, 32715720), (3, 21810480), (4, 16357860), (5, 13086288), (6, 10905240), (8, 8178930), (9, 7270160), (10, 6543144), (12, 5452620), (15, 4362096), (16, 4089465), (18, 3635080), (19, 3443760), (20, 3271572), (24, 2726310), (30, 2181048), (36, 1817540), (38, 1721880), (40, 1635786), (45, 1454032), (48, 1363155), (57, 1147920), (60, 1090524), (72, 908770), (76, 860940), (80, 817893), (90, 727016), (95, 688752), (114, 573960), (120, 545262), (144, 454385), (152, 430470), (171, 382640), (180, 363508), (190, 344376), (228, 286980), (240, 272631), (285, 229584), (304, 215235), (342, 191320), (360, 181754), (380, 172188), (456, 143490), (570, 114792), (684, 95660), (720, 90877), (760, 86094), (855, 76528), (912, 71745), (1140, 57396), (1368, 47830), (1520, 43047), (1710, 38264), (2280, 28698), (2736, 23915), (3420, 19132), (4560, 14349), (4783, 13680), (6840, 9566)]