1660120

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^2$

素因数の和:54

約数の個数: 96

約数和(自身を含む): 4788000

約数和(自身を除く): 3127880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 140, 154, 196, 220, 242, 245, 280, 308, 343, 385, 392, 440, 484, 490, 539, 605, 616, 686, 770, 847, 968, 980, 1078, 1210, 1372, 1540, 1694, 1715, 1960, 2156, 2420, 2695, 2744, 3080, 3388, 3430, 3773, 4235, 4312, 4840, 5390, 5929, 6776, 6860, 7546, 8470, 10780, 11858, 13720, 15092, 16940, 18865, 21560, 23716, 29645, 30184, 33880, 37730, 41503, 47432, 59290, 75460, 83006, 118580, 150920, 166012, 207515, 237160, 332024, 415030, 830060, 1660120]

約数ペア:

[(1, 1660120), (2, 830060), (4, 415030), (5, 332024), (7, 237160), (8, 207515), (10, 166012), (11, 150920), (14, 118580), (20, 83006), (22, 75460), (28, 59290), (35, 47432), (40, 41503), (44, 37730), (49, 33880), (55, 30184), (56, 29645), (70, 23716), (77, 21560), (88, 18865), (98, 16940), (110, 15092), (121, 13720), (140, 11858), (154, 10780), (196, 8470), (220, 7546), (242, 6860), (245, 6776), (280, 5929), (308, 5390), (343, 4840), (385, 4312), (392, 4235), (440, 3773), (484, 3430), (490, 3388), (539, 3080), (605, 2744), (616, 2695), (686, 2420), (770, 2156), (847, 1960), (968, 1715), (980, 1694), (1078, 1540), (1210, 1372)]