261230160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1565

約数の個数: 160

約数和(自身を含む): 877979520

約数和(自身を除く): 616749360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 43, 48, 51, 60, 68, 80, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 240, 255, 258, 272, 340, 344, 408, 430, 510, 516, 645, 680, 688, 731, 816, 860, 1020, 1032, 1290, 1360, 1462, 1489, 1720, 2040, 2064, 2193, 2580, 2924, 2978, 3440, 3655, 4080, 4386, 4467, 5160, 5848, 5956, 7310, 7445, 8772, 8934, 10320, 10965, 11696, 11912, 14620, 14890, 17544, 17868, 21930, 22335, 23824, 25313, 29240, 29780, 35088, 35736, 43860, 44670, 50626, 58480, 59560, 64027, 71472, 75939, 87720, 89340, 101252, 119120, 126565, 128054, 151878, 175440, 178680, 192081, 202504, 253130, 256108, 303756, 320135, 357360, 379695, 384162, 405008, 506260, 512216, 607512, 640270, 759390, 768324, 960405, 1012520, 1024432, 1088459, 1215024, 1280540, 1518780, 1536648, 1920810, 2025040, 2176918, 2561080, 3037560, 3073296, 3265377, 3841620, 4353836, 5122160, 5442295, 6075120, 6530754, 7683240, 8707672, 10884590, 13061508, 15366480, 16326885, 17415344, 21769180, 26123016, 32653770, 43538360, 52246032, 65307540, 87076720, 130615080, 261230160]

約数ペア:

[(1, 261230160), (2, 130615080), (3, 87076720), (4, 65307540), (5, 52246032), (6, 43538360), (8, 32653770), (10, 26123016), (12, 21769180), (15, 17415344), (16, 16326885), (17, 15366480), (20, 13061508), (24, 10884590), (30, 8707672), (34, 7683240), (40, 6530754), (43, 6075120), (48, 5442295), (51, 5122160), (60, 4353836), (68, 3841620), (80, 3265377), (85, 3073296), (86, 3037560), (102, 2561080), (120, 2176918), (129, 2025040), (136, 1920810), (170, 1536648), (172, 1518780), (204, 1280540), (215, 1215024), (240, 1088459), (255, 1024432), (258, 1012520), (272, 960405), (340, 768324), (344, 759390), (408, 640270), (430, 607512), (510, 512216), (516, 506260), (645, 405008), (680, 384162), (688, 379695), (731, 357360), (816, 320135), (860, 303756), (1020, 256108), (1032, 253130), (1290, 202504), (1360, 192081), (1462, 178680), (1489, 175440), (1720, 151878), (2040, 128054), (2064, 126565), (2193, 119120), (2580, 101252), (2924, 89340), (2978, 87720), (3440, 75939), (3655, 71472), (4080, 64027), (4386, 59560), (4467, 58480), (5160, 50626), (5848, 44670), (5956, 43860), (7310, 35736), (7445, 35088), (8772, 29780), (8934, 29240), (10320, 25313), (10965, 23824), (11696, 22335), (11912, 21930), (14620, 17868), (14890, 17544)]