15994660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 39916800

約数和(自身を除く): 23922140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 29, 44, 46, 55, 58, 92, 109, 110, 115, 116, 145, 218, 220, 230, 253, 290, 319, 436, 460, 506, 545, 580, 638, 667, 1012, 1090, 1199, 1265, 1276, 1334, 1595, 2180, 2398, 2507, 2530, 2668, 3161, 3190, 3335, 4796, 5014, 5060, 5995, 6322, 6380, 6670, 7337, 10028, 11990, 12535, 12644, 13340, 14674, 15805, 23980, 25070, 27577, 29348, 31610, 34771, 36685, 50140, 55154, 63220, 69542, 72703, 73370, 110308, 137885, 139084, 145406, 146740, 173855, 275770, 290812, 347710, 363515, 551540, 695420, 727030, 799733, 1454060, 1599466, 3198932, 3998665, 7997330, 15994660]

約数ペア:

[(1, 15994660), (2, 7997330), (4, 3998665), (5, 3198932), (10, 1599466), (11, 1454060), (20, 799733), (22, 727030), (23, 695420), (29, 551540), (44, 363515), (46, 347710), (55, 290812), (58, 275770), (92, 173855), (109, 146740), (110, 145406), (115, 139084), (116, 137885), (145, 110308), (218, 73370), (220, 72703), (230, 69542), (253, 63220), (290, 55154), (319, 50140), (436, 36685), (460, 34771), (506, 31610), (545, 29348), (580, 27577), (638, 25070), (667, 23980), (1012, 15805), (1090, 14674), (1199, 13340), (1265, 12644), (1276, 12535), (1334, 11990), (1595, 10028), (2180, 7337), (2398, 6670), (2507, 6380), (2530, 6322), (2668, 5995), (3161, 5060), (3190, 5014), (3335, 4796)]