26911980

素因数分解:

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

素因数の和:141

約数の個数: 192

約数和(自身を含む): 91660800

約数和(自身を除く): 64748820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 43, 45, 54, 57, 60, 61, 76, 86, 90, 95, 108, 114, 122, 129, 135, 171, 172, 180, 183, 190, 215, 228, 244, 258, 270, 285, 305, 342, 366, 380, 387, 430, 513, 516, 540, 549, 570, 610, 645, 684, 732, 774, 817, 855, 860, 915, 1026, 1098, 1140, 1159, 1161, 1220, 1290, 1548, 1634, 1647, 1710, 1830, 1935, 2052, 2196, 2318, 2322, 2451, 2565, 2580, 2623, 2745, 3268, 3294, 3420, 3477, 3660, 3870, 4085, 4636, 4644, 4902, 5130, 5246, 5490, 5795, 5805, 6588, 6954, 7353, 7740, 7869, 8170, 8235, 9804, 10260, 10431, 10492, 10980, 11590, 11610, 12255, 13115, 13908, 14706, 15738, 16340, 16470, 17385, 20862, 22059, 23180, 23220, 23607, 24510, 26230, 29412, 31293, 31476, 32940, 34770, 36765, 39345, 41724, 44118, 47214, 49020, 49837, 52155, 52460, 62586, 69540, 70821, 73530, 78690, 88236, 94428, 99674, 104310, 110295, 118035, 125172, 141642, 147060, 149511, 156465, 157380, 199348, 208620, 220590, 236070, 249185, 283284, 299022, 312930, 354105, 441180, 448533, 472140, 498370, 598044, 625860, 708210, 747555, 897066, 996740, 1345599, 1416420, 1495110, 1794132, 2242665, 2691198, 2990220, 4485330, 5382396, 6727995, 8970660, 13455990, 26911980]

約数ペア:

[(1, 26911980), (2, 13455990), (3, 8970660), (4, 6727995), (5, 5382396), (6, 4485330), (9, 2990220), (10, 2691198), (12, 2242665), (15, 1794132), (18, 1495110), (19, 1416420), (20, 1345599), (27, 996740), (30, 897066), (36, 747555), (38, 708210), (43, 625860), (45, 598044), (54, 498370), (57, 472140), (60, 448533), (61, 441180), (76, 354105), (86, 312930), (90, 299022), (95, 283284), (108, 249185), (114, 236070), (122, 220590), (129, 208620), (135, 199348), (171, 157380), (172, 156465), (180, 149511), (183, 147060), (190, 141642), (215, 125172), (228, 118035), (244, 110295), (258, 104310), (270, 99674), (285, 94428), (305, 88236), (342, 78690), (366, 73530), (380, 70821), (387, 69540), (430, 62586), (513, 52460), (516, 52155), (540, 49837), (549, 49020), (570, 47214), (610, 44118), (645, 41724), (684, 39345), (732, 36765), (774, 34770), (817, 32940), (855, 31476), (860, 31293), (915, 29412), (1026, 26230), (1098, 24510), (1140, 23607), (1159, 23220), (1161, 23180), (1220, 22059), (1290, 20862), (1548, 17385), (1634, 16470), (1647, 16340), (1710, 15738), (1830, 14706), (1935, 13908), (2052, 13115), (2196, 12255), (2318, 11610), (2322, 11590), (2451, 10980), (2565, 10492), (2580, 10431), (2623, 10260), (2745, 9804), (3268, 8235), (3294, 8170), (3420, 7869), (3477, 7740), (3660, 7353), (3870, 6954), (4085, 6588), (4636, 5805), (4644, 5795), (4902, 5490), (5130, 5246)]