13455990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 39283200

約数和(自身を除く): 25827210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 43, 45, 54, 57, 61, 86, 90, 95, 114, 122, 129, 135, 171, 183, 190, 215, 258, 270, 285, 305, 342, 366, 387, 430, 513, 549, 570, 610, 645, 774, 817, 855, 915, 1026, 1098, 1159, 1161, 1290, 1634, 1647, 1710, 1830, 1935, 2318, 2322, 2451, 2565, 2623, 2745, 3294, 3477, 3870, 4085, 4902, 5130, 5246, 5490, 5795, 5805, 6954, 7353, 7869, 8170, 8235, 10431, 11590, 11610, 12255, 13115, 14706, 15738, 16470, 17385, 20862, 22059, 23607, 24510, 26230, 31293, 34770, 36765, 39345, 44118, 47214, 49837, 52155, 62586, 70821, 73530, 78690, 99674, 104310, 110295, 118035, 141642, 149511, 156465, 220590, 236070, 249185, 299022, 312930, 354105, 448533, 498370, 708210, 747555, 897066, 1345599, 1495110, 2242665, 2691198, 4485330, 6727995, 13455990]

約数ペア:

[(1, 13455990), (2, 6727995), (3, 4485330), (5, 2691198), (6, 2242665), (9, 1495110), (10, 1345599), (15, 897066), (18, 747555), (19, 708210), (27, 498370), (30, 448533), (38, 354105), (43, 312930), (45, 299022), (54, 249185), (57, 236070), (61, 220590), (86, 156465), (90, 149511), (95, 141642), (114, 118035), (122, 110295), (129, 104310), (135, 99674), (171, 78690), (183, 73530), (190, 70821), (215, 62586), (258, 52155), (270, 49837), (285, 47214), (305, 44118), (342, 39345), (366, 36765), (387, 34770), (430, 31293), (513, 26230), (549, 24510), (570, 23607), (610, 22059), (645, 20862), (774, 17385), (817, 16470), (855, 15738), (915, 14706), (1026, 13115), (1098, 12255), (1159, 11610), (1161, 11590), (1290, 10431), (1634, 8235), (1647, 8170), (1710, 7869), (1830, 7353), (1935, 6954), (2318, 5805), (2322, 5795), (2451, 5490), (2565, 5246), (2623, 5130), (2745, 4902), (3294, 4085), (3477, 3870)]