16617780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 54774720

約数和(自身を除く): 38156940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 113, 114, 129, 171, 172, 180, 190, 215, 226, 228, 258, 285, 339, 342, 380, 387, 430, 452, 516, 565, 570, 645, 678, 684, 774, 817, 855, 860, 1017, 1130, 1140, 1290, 1356, 1548, 1634, 1695, 1710, 1935, 2034, 2147, 2260, 2451, 2580, 3268, 3390, 3420, 3870, 4068, 4085, 4294, 4859, 4902, 5085, 6441, 6780, 7353, 7740, 8170, 8588, 9718, 9804, 10170, 10735, 12255, 12882, 14577, 14706, 16340, 19323, 19436, 20340, 21470, 24295, 24510, 25764, 29154, 29412, 32205, 36765, 38646, 42940, 43731, 48590, 49020, 58308, 64410, 72885, 73530, 77292, 87462, 92321, 96615, 97180, 128820, 145770, 147060, 174924, 184642, 193230, 218655, 276963, 291540, 369284, 386460, 437310, 461605, 553926, 830889, 874620, 923210, 1107852, 1384815, 1661778, 1846420, 2769630, 3323556, 4154445, 5539260, 8308890, 16617780]

約数ペア:

[(1, 16617780), (2, 8308890), (3, 5539260), (4, 4154445), (5, 3323556), (6, 2769630), (9, 1846420), (10, 1661778), (12, 1384815), (15, 1107852), (18, 923210), (19, 874620), (20, 830889), (30, 553926), (36, 461605), (38, 437310), (43, 386460), (45, 369284), (57, 291540), (60, 276963), (76, 218655), (86, 193230), (90, 184642), (95, 174924), (113, 147060), (114, 145770), (129, 128820), (171, 97180), (172, 96615), (180, 92321), (190, 87462), (215, 77292), (226, 73530), (228, 72885), (258, 64410), (285, 58308), (339, 49020), (342, 48590), (380, 43731), (387, 42940), (430, 38646), (452, 36765), (516, 32205), (565, 29412), (570, 29154), (645, 25764), (678, 24510), (684, 24295), (774, 21470), (817, 20340), (855, 19436), (860, 19323), (1017, 16340), (1130, 14706), (1140, 14577), (1290, 12882), (1356, 12255), (1548, 10735), (1634, 10170), (1695, 9804), (1710, 9718), (1935, 8588), (2034, 8170), (2147, 7740), (2260, 7353), (2451, 6780), (2580, 6441), (3268, 5085), (3390, 4902), (3420, 4859), (3870, 4294), (4068, 4085)]