638880

素因数分解:

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

素因数の和:51

約数の個数: 96

約数和(自身を含む): 2213568

約数和(自身を除く): 1574688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 220, 240, 242, 264, 330, 352, 363, 440, 480, 484, 528, 605, 660, 726, 880, 968, 1056, 1210, 1320, 1331, 1452, 1760, 1815, 1936, 2420, 2640, 2662, 2904, 3630, 3872, 3993, 4840, 5280, 5324, 5808, 6655, 7260, 7986, 9680, 10648, 11616, 13310, 14520, 15972, 19360, 19965, 21296, 26620, 29040, 31944, 39930, 42592, 53240, 58080, 63888, 79860, 106480, 127776, 159720, 212960, 319440, 638880]

約数ペア:

[(1, 638880), (2, 319440), (3, 212960), (4, 159720), (5, 127776), (6, 106480), (8, 79860), (10, 63888), (11, 58080), (12, 53240), (15, 42592), (16, 39930), (20, 31944), (22, 29040), (24, 26620), (30, 21296), (32, 19965), (33, 19360), (40, 15972), (44, 14520), (48, 13310), (55, 11616), (60, 10648), (66, 9680), (80, 7986), (88, 7260), (96, 6655), (110, 5808), (120, 5324), (121, 5280), (132, 4840), (160, 3993), (165, 3872), (176, 3630), (220, 2904), (240, 2662), (242, 2640), (264, 2420), (330, 1936), (352, 1815), (363, 1760), (440, 1452), (480, 1331), (484, 1320), (528, 1210), (605, 1056), (660, 968), (726, 880)]