161218800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2400

約数の個数: 180

約数和(自身を含む): 589169880

約数和(自身を除く): 427951080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 100, 114, 120, 144, 150, 152, 171, 180, 190, 200, 225, 228, 240, 285, 300, 304, 342, 360, 380, 400, 450, 456, 475, 570, 600, 684, 720, 760, 855, 900, 912, 950, 1140, 1200, 1368, 1425, 1520, 1710, 1800, 1900, 2280, 2357, 2736, 2850, 3420, 3600, 3800, 4275, 4560, 4714, 5700, 6840, 7071, 7600, 8550, 9428, 11400, 11785, 13680, 14142, 17100, 18856, 21213, 22800, 23570, 28284, 34200, 35355, 37712, 42426, 44783, 47140, 56568, 58925, 68400, 70710, 84852, 89566, 94280, 106065, 113136, 117850, 134349, 141420, 169704, 176775, 179132, 188560, 212130, 223915, 235700, 268698, 282840, 339408, 353550, 358264, 403047, 424260, 447830, 471400, 530325, 537396, 565680, 671745, 707100, 716528, 806094, 848520, 895660, 942800, 1060650, 1074792, 1119575, 1343490, 1414200, 1612188, 1697040, 1791320, 2015235, 2121300, 2149584, 2239150, 2686980, 2828400, 3224376, 3358725, 3582640, 4030470, 4242600, 4478300, 5373960, 6448752, 6717450, 8060940, 8485200, 8956600, 10076175, 10747920, 13434900, 16121880, 17913200, 20152350, 26869800, 32243760, 40304700, 53739600, 80609400, 161218800]

約数ペア:

[(1, 161218800), (2, 80609400), (3, 53739600), (4, 40304700), (5, 32243760), (6, 26869800), (8, 20152350), (9, 17913200), (10, 16121880), (12, 13434900), (15, 10747920), (16, 10076175), (18, 8956600), (19, 8485200), (20, 8060940), (24, 6717450), (25, 6448752), (30, 5373960), (36, 4478300), (38, 4242600), (40, 4030470), (45, 3582640), (48, 3358725), (50, 3224376), (57, 2828400), (60, 2686980), (72, 2239150), (75, 2149584), (76, 2121300), (80, 2015235), (90, 1791320), (95, 1697040), (100, 1612188), (114, 1414200), (120, 1343490), (144, 1119575), (150, 1074792), (152, 1060650), (171, 942800), (180, 895660), (190, 848520), (200, 806094), (225, 716528), (228, 707100), (240, 671745), (285, 565680), (300, 537396), (304, 530325), (342, 471400), (360, 447830), (380, 424260), (400, 403047), (450, 358264), (456, 353550), (475, 339408), (570, 282840), (600, 268698), (684, 235700), (720, 223915), (760, 212130), (855, 188560), (900, 179132), (912, 176775), (950, 169704), (1140, 141420), (1200, 134349), (1368, 117850), (1425, 113136), (1520, 106065), (1710, 94280), (1800, 89566), (1900, 84852), (2280, 70710), (2357, 68400), (2736, 58925), (2850, 56568), (3420, 47140), (3600, 44783), (3800, 42426), (4275, 37712), (4560, 35355), (4714, 34200), (5700, 28284), (6840, 23570), (7071, 22800), (7600, 21213), (8550, 18856), (9428, 17100), (11400, 14142), (11785, 13680)]