90069980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 256509120

約数和(自身を除く): 166439140

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 121, 130, 140, 143, 154, 182, 220, 242, 260, 286, 308, 364, 385, 409, 455, 484, 572, 605, 715, 770, 818, 847, 910, 1001, 1210, 1430, 1540, 1573, 1636, 1694, 1820, 2002, 2045, 2420, 2860, 2863, 3146, 3388, 4004, 4090, 4235, 4499, 5005, 5317, 5726, 6292, 7865, 8180, 8470, 8998, 10010, 10634, 11011, 11452, 14315, 15730, 16940, 17996, 20020, 21268, 22022, 22495, 26585, 28630, 31460, 31493, 37219, 44044, 44990, 49489, 53170, 55055, 57260, 58487, 62986, 74438, 89980, 98978, 106340, 110110, 116974, 125972, 148876, 157465, 186095, 197956, 220220, 233948, 247445, 292435, 314930, 346423, 372190, 409409, 494890, 584870, 629860, 643357, 692846, 744380, 818818, 989780, 1169740, 1286714, 1385692, 1637636, 1732115, 2047045, 2573428, 3216785, 3464230, 4094090, 4503499, 6433570, 6928460, 8188180, 9006998, 12867140, 18013996, 22517495, 45034990, 90069980]

約数ペア:

[(1, 90069980), (2, 45034990), (4, 22517495), (5, 18013996), (7, 12867140), (10, 9006998), (11, 8188180), (13, 6928460), (14, 6433570), (20, 4503499), (22, 4094090), (26, 3464230), (28, 3216785), (35, 2573428), (44, 2047045), (52, 1732115), (55, 1637636), (65, 1385692), (70, 1286714), (77, 1169740), (91, 989780), (110, 818818), (121, 744380), (130, 692846), (140, 643357), (143, 629860), (154, 584870), (182, 494890), (220, 409409), (242, 372190), (260, 346423), (286, 314930), (308, 292435), (364, 247445), (385, 233948), (409, 220220), (455, 197956), (484, 186095), (572, 157465), (605, 148876), (715, 125972), (770, 116974), (818, 110110), (847, 106340), (910, 98978), (1001, 89980), (1210, 74438), (1430, 62986), (1540, 58487), (1573, 57260), (1636, 55055), (1694, 53170), (1820, 49489), (2002, 44990), (2045, 44044), (2420, 37219), (2860, 31493), (2863, 31460), (3146, 28630), (3388, 26585), (4004, 22495), (4090, 22022), (4235, 21268), (4499, 20020), (5005, 17996), (5317, 16940), (5726, 15730), (6292, 14315), (7865, 11452), (8180, 11011), (8470, 10634), (8998, 10010)]