21983760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1645

約数の個数: 120

約数和(自身を含む): 77762880

約数和(自身を除く): 55779120

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, 1607, 1710, 2280, 2736, 3214, 3420, 4560, 4821, 6428, 6840, 8035, 9642, 12856, 13680, 14463, 16070, 19284, 24105, 25712, 28926, 30533, 32140, 38568, 48210, 57852, 61066, 64280, 72315, 77136, 91599, 96420, 115704, 122132, 128560, 144630, 152665, 183198, 192840, 231408, 244264, 274797, 289260, 305330, 366396, 385680, 457995, 488528, 549594, 578520, 610660, 732792, 915990, 1099188, 1157040, 1221320, 1373985, 1465584, 1831980, 2198376, 2442640, 2747970, 3663960, 4396752, 5495940, 7327920, 10991880, 21983760]

約数ペア:

[(1, 21983760), (2, 10991880), (3, 7327920), (4, 5495940), (5, 4396752), (6, 3663960), (8, 2747970), (9, 2442640), (10, 2198376), (12, 1831980), (15, 1465584), (16, 1373985), (18, 1221320), (19, 1157040), (20, 1099188), (24, 915990), (30, 732792), (36, 610660), (38, 578520), (40, 549594), (45, 488528), (48, 457995), (57, 385680), (60, 366396), (72, 305330), (76, 289260), (80, 274797), (90, 244264), (95, 231408), (114, 192840), (120, 183198), (144, 152665), (152, 144630), (171, 128560), (180, 122132), (190, 115704), (228, 96420), (240, 91599), (285, 77136), (304, 72315), (342, 64280), (360, 61066), (380, 57852), (456, 48210), (570, 38568), (684, 32140), (720, 30533), (760, 28926), (855, 25712), (912, 24105), (1140, 19284), (1368, 16070), (1520, 14463), (1607, 13680), (1710, 12856), (2280, 9642), (2736, 8035), (3214, 6840), (3420, 6428), (4560, 4821)]