520053180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^2$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 1583809920

約数和(自身を除く): 1063756740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 103, 114, 129, 172, 190, 206, 215, 228, 258, 285, 309, 380, 412, 430, 515, 516, 570, 618, 645, 817, 860, 1030, 1140, 1236, 1290, 1545, 1634, 1957, 2060, 2451, 2580, 3090, 3268, 3914, 4085, 4429, 4902, 5871, 6180, 7828, 8170, 8858, 9785, 9804, 10609, 11742, 12255, 13287, 16340, 17716, 19570, 21218, 22145, 23484, 24510, 26574, 29355, 31827, 39140, 42436, 44290, 49020, 53045, 53148, 58710, 63654, 66435, 84151, 88580, 106090, 117420, 127308, 132870, 159135, 168302, 201571, 212180, 252453, 265740, 318270, 336604, 403142, 420755, 456187, 504906, 604713, 636540, 806284, 841510, 912374, 1007855, 1009812, 1209426, 1262265, 1368561, 1683020, 1824748, 2015710, 2280935, 2418852, 2524530, 2737122, 3023565, 4031420, 4561870, 5049060, 5474244, 6047130, 6842805, 8667553, 9123740, 12094260, 13685610, 17335106, 26002659, 27371220, 34670212, 43337765, 52005318, 86675530, 104010636, 130013295, 173351060, 260026590, 520053180]

約数ペア:

[(1, 520053180), (2, 260026590), (3, 173351060), (4, 130013295), (5, 104010636), (6, 86675530), (10, 52005318), (12, 43337765), (15, 34670212), (19, 27371220), (20, 26002659), (30, 17335106), (38, 13685610), (43, 12094260), (57, 9123740), (60, 8667553), (76, 6842805), (86, 6047130), (95, 5474244), (103, 5049060), (114, 4561870), (129, 4031420), (172, 3023565), (190, 2737122), (206, 2524530), (215, 2418852), (228, 2280935), (258, 2015710), (285, 1824748), (309, 1683020), (380, 1368561), (412, 1262265), (430, 1209426), (515, 1009812), (516, 1007855), (570, 912374), (618, 841510), (645, 806284), (817, 636540), (860, 604713), (1030, 504906), (1140, 456187), (1236, 420755), (1290, 403142), (1545, 336604), (1634, 318270), (1957, 265740), (2060, 252453), (2451, 212180), (2580, 201571), (3090, 168302), (3268, 159135), (3914, 132870), (4085, 127308), (4429, 117420), (4902, 106090), (5871, 88580), (6180, 84151), (7828, 66435), (8170, 63654), (8858, 58710), (9785, 53148), (9804, 53045), (10609, 49020), (11742, 44290), (12255, 42436), (13287, 39140), (16340, 31827), (17716, 29355), (19570, 26574), (21218, 24510), (22145, 23484)]