1814781240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2663}}^1$

素因数の和:3314

約数の個数: 128

約数和(自身を含む): 6061132800

約数和(自身を除く): 4246351560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 631, 1080, 1262, 1893, 2524, 2663, 3155, 3786, 5048, 5326, 5679, 6310, 7572, 7989, 9465, 10652, 11358, 12620, 13315, 15144, 15978, 17037, 18930, 21304, 22716, 23967, 25240, 26630, 28395, 31956, 34074, 37860, 39945, 45432, 47934, 53260, 56790, 63912, 68148, 71901, 75720, 79890, 85185, 95868, 106520, 113580, 119835, 136296, 143802, 159780, 170370, 191736, 227160, 239670, 287604, 319560, 340740, 359505, 479340, 575208, 681480, 719010, 958680, 1438020, 1680353, 2876040, 3360706, 5041059, 6721412, 8401765, 10082118, 13442824, 15123177, 16803530, 20164236, 25205295, 30246354, 33607060, 40328472, 45369531, 50410590, 60492708, 67214120, 75615885, 90739062, 100821180, 120985416, 151231770, 181478124, 201642360, 226847655, 302463540, 362956248, 453695310, 604927080, 907390620, 1814781240]

約数ペア:

[(1, 1814781240), (2, 907390620), (3, 604927080), (4, 453695310), (5, 362956248), (6, 302463540), (8, 226847655), (9, 201642360), (10, 181478124), (12, 151231770), (15, 120985416), (18, 100821180), (20, 90739062), (24, 75615885), (27, 67214120), (30, 60492708), (36, 50410590), (40, 45369531), (45, 40328472), (54, 33607060), (60, 30246354), (72, 25205295), (90, 20164236), (108, 16803530), (120, 15123177), (135, 13442824), (180, 10082118), (216, 8401765), (270, 6721412), (360, 5041059), (540, 3360706), (631, 2876040), (1080, 1680353), (1262, 1438020), (1893, 958680), (2524, 719010), (2663, 681480), (3155, 575208), (3786, 479340), (5048, 359505), (5326, 340740), (5679, 319560), (6310, 287604), (7572, 239670), (7989, 227160), (9465, 191736), (10652, 170370), (11358, 159780), (12620, 143802), (13315, 136296), (15144, 119835), (15978, 113580), (17037, 106520), (18930, 95868), (21304, 85185), (22716, 79890), (23967, 75720), (25240, 71901), (26630, 68148), (28395, 63912), (31956, 56790), (34074, 53260), (37860, 47934), (39945, 45432)]