219964080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{421}}^1$

素因数の和:755

約数の個数: 160

約数和(自身を含む): 783664128

約数和(自身を除く): 563700048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 311, 336, 420, 421, 560, 622, 840, 842, 933, 1244, 1263, 1555, 1680, 1684, 1866, 2105, 2177, 2488, 2526, 2947, 3110, 3368, 3732, 4210, 4354, 4665, 4976, 5052, 5894, 6220, 6315, 6531, 6736, 7464, 8420, 8708, 8841, 9330, 10104, 10885, 11788, 12440, 12630, 13062, 14735, 14928, 16840, 17416, 17682, 18660, 20208, 21770, 23576, 24880, 25260, 26124, 29470, 32655, 33680, 34832, 35364, 37320, 43540, 44205, 47152, 50520, 52248, 58940, 65310, 70728, 74640, 87080, 88410, 101040, 104496, 117880, 130620, 130931, 141456, 174160, 176820, 235760, 261240, 261862, 353640, 392793, 522480, 523724, 654655, 707280, 785586, 916517, 1047448, 1309310, 1571172, 1833034, 1963965, 2094896, 2618620, 2749551, 3142344, 3666068, 3927930, 4582585, 5237240, 5499102, 6284688, 7332136, 7855860, 9165170, 10474480, 10998204, 13747755, 14664272, 15711720, 18330340, 21996408, 27495510, 31423440, 36660680, 43992816, 54991020, 73321360, 109982040, 219964080]

約数ペア:

[(1, 219964080), (2, 109982040), (3, 73321360), (4, 54991020), (5, 43992816), (6, 36660680), (7, 31423440), (8, 27495510), (10, 21996408), (12, 18330340), (14, 15711720), (15, 14664272), (16, 13747755), (20, 10998204), (21, 10474480), (24, 9165170), (28, 7855860), (30, 7332136), (35, 6284688), (40, 5499102), (42, 5237240), (48, 4582585), (56, 3927930), (60, 3666068), (70, 3142344), (80, 2749551), (84, 2618620), (105, 2094896), (112, 1963965), (120, 1833034), (140, 1571172), (168, 1309310), (210, 1047448), (240, 916517), (280, 785586), (311, 707280), (336, 654655), (420, 523724), (421, 522480), (560, 392793), (622, 353640), (840, 261862), (842, 261240), (933, 235760), (1244, 176820), (1263, 174160), (1555, 141456), (1680, 130931), (1684, 130620), (1866, 117880), (2105, 104496), (2177, 101040), (2488, 88410), (2526, 87080), (2947, 74640), (3110, 70728), (3368, 65310), (3732, 58940), (4210, 52248), (4354, 50520), (4665, 47152), (4976, 44205), (5052, 43540), (5894, 37320), (6220, 35364), (6315, 34832), (6531, 33680), (6736, 32655), (7464, 29470), (8420, 26124), (8708, 25260), (8841, 24880), (9330, 23576), (10104, 21770), (10885, 20208), (11788, 18660), (12440, 17682), (12630, 17416), (13062, 16840), (14735, 14928)]