319440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^3$

素因数の和:49

約数の個数: 80

約数和(自身を含む): 1089216

約数和(自身を除く): 769776

約数列:

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

約数ペア:

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