15619980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 30828660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 47, 58, 60, 87, 94, 116, 141, 145, 174, 188, 191, 235, 282, 290, 348, 382, 435, 470, 564, 573, 580, 705, 764, 870, 940, 955, 1146, 1363, 1410, 1740, 1910, 2292, 2726, 2820, 2865, 3820, 4089, 5452, 5539, 5730, 6815, 8178, 8977, 11078, 11460, 13630, 16356, 16617, 17954, 20445, 22156, 26931, 27260, 27695, 33234, 35908, 40890, 44885, 53862, 55390, 66468, 81780, 83085, 89770, 107724, 110780, 134655, 166170, 179540, 260333, 269310, 332340, 520666, 538620, 780999, 1041332, 1301665, 1561998, 2603330, 3123996, 3904995, 5206660, 7809990, 15619980]

約数ペア:

[(1, 15619980), (2, 7809990), (3, 5206660), (4, 3904995), (5, 3123996), (6, 2603330), (10, 1561998), (12, 1301665), (15, 1041332), (20, 780999), (29, 538620), (30, 520666), (47, 332340), (58, 269310), (60, 260333), (87, 179540), (94, 166170), (116, 134655), (141, 110780), (145, 107724), (174, 89770), (188, 83085), (191, 81780), (235, 66468), (282, 55390), (290, 53862), (348, 44885), (382, 40890), (435, 35908), (470, 33234), (564, 27695), (573, 27260), (580, 26931), (705, 22156), (764, 20445), (870, 17954), (940, 16617), (955, 16356), (1146, 13630), (1363, 11460), (1410, 11078), (1740, 8977), (1910, 8178), (2292, 6815), (2726, 5730), (2820, 5539), (2865, 5452), (3820, 4089)]