72291780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1259}}^1$

素因数の和:1314

約数の個数: 144

約数和(自身を含む): 247665600

約数和(自身を除く): 175373820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 145, 165, 174, 180, 198, 220, 261, 290, 319, 330, 348, 396, 435, 495, 522, 580, 638, 660, 870, 957, 990, 1044, 1259, 1276, 1305, 1595, 1740, 1914, 1980, 2518, 2610, 2871, 3190, 3777, 3828, 4785, 5036, 5220, 5742, 6295, 6380, 7554, 9570, 11331, 11484, 12590, 13849, 14355, 15108, 18885, 19140, 22662, 25180, 27698, 28710, 36511, 37770, 41547, 45324, 55396, 56655, 57420, 69245, 73022, 75540, 83094, 109533, 113310, 124641, 138490, 146044, 166188, 182555, 207735, 219066, 226620, 249282, 276980, 328599, 365110, 401621, 415470, 438132, 498564, 547665, 623205, 657198, 730220, 803242, 830940, 1095330, 1204863, 1246410, 1314396, 1606484, 1642995, 2008105, 2190660, 2409726, 2492820, 3285990, 3614589, 4016210, 4819452, 6024315, 6571980, 7229178, 8032420, 12048630, 14458356, 18072945, 24097260, 36145890, 72291780]

約数ペア:

[(1, 72291780), (2, 36145890), (3, 24097260), (4, 18072945), (5, 14458356), (6, 12048630), (9, 8032420), (10, 7229178), (11, 6571980), (12, 6024315), (15, 4819452), (18, 4016210), (20, 3614589), (22, 3285990), (29, 2492820), (30, 2409726), (33, 2190660), (36, 2008105), (44, 1642995), (45, 1606484), (55, 1314396), (58, 1246410), (60, 1204863), (66, 1095330), (87, 830940), (90, 803242), (99, 730220), (110, 657198), (116, 623205), (132, 547665), (145, 498564), (165, 438132), (174, 415470), (180, 401621), (198, 365110), (220, 328599), (261, 276980), (290, 249282), (319, 226620), (330, 219066), (348, 207735), (396, 182555), (435, 166188), (495, 146044), (522, 138490), (580, 124641), (638, 113310), (660, 109533), (870, 83094), (957, 75540), (990, 73022), (1044, 69245), (1259, 57420), (1276, 56655), (1305, 55396), (1595, 45324), (1740, 41547), (1914, 37770), (1980, 36511), (2518, 28710), (2610, 27698), (2871, 25180), (3190, 22662), (3777, 19140), (3828, 18885), (4785, 15108), (5036, 14355), (5220, 13849), (5742, 12590), (6295, 11484), (6380, 11331), (7554, 9570)]