153909880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3821}}^1$

素因数の和:3904

約数の個数: 64

約数和(自身を含む): 371498400

約数和(自身を除く): 217588520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 2014, 2120, 3821, 4028, 5035, 7642, 8056, 10070, 15284, 19105, 20140, 30568, 38210, 40280, 72599, 76420, 145198, 152840, 202513, 290396, 362995, 405026, 580792, 725990, 810052, 1012565, 1451980, 1620104, 2025130, 2903960, 3847747, 4050260, 7695494, 8100520, 15390988, 19238735, 30781976, 38477470, 76954940, 153909880]

約数ペア:

[(1, 153909880), (2, 76954940), (4, 38477470), (5, 30781976), (8, 19238735), (10, 15390988), (19, 8100520), (20, 7695494), (38, 4050260), (40, 3847747), (53, 2903960), (76, 2025130), (95, 1620104), (106, 1451980), (152, 1012565), (190, 810052), (212, 725990), (265, 580792), (380, 405026), (424, 362995), (530, 290396), (760, 202513), (1007, 152840), (1060, 145198), (2014, 76420), (2120, 72599), (3821, 40280), (4028, 38210), (5035, 30568), (7642, 20140), (8056, 19105), (10070, 15284)]