211266720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20959}}^1$

素因数の和:20987

約数の個数: 144

約数和(自身を含む): 823979520

約数和(自身を除く): 612712800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20959, 41918, 62877, 83836, 104795, 125754, 146713, 167672, 188631, 209590, 251508, 293426, 314385, 335344, 377262, 419180, 440139, 503016, 586852, 628770, 670688, 733565, 754524, 838360, 880278, 943155, 1006032, 1173704, 1257540, 1320417, 1467130, 1509048, 1676720, 1760556, 1886310, 2012064, 2200695, 2347408, 2515080, 2640834, 2934260, 3018096, 3353440, 3521112, 3772620, 4401390, 4694816, 5030160, 5281668, 5868520, 6036192, 6602085, 7042224, 7545240, 8802780, 10060320, 10563336, 11737040, 13204170, 14084448, 15090480, 17605560, 21126672, 23474080, 26408340, 30180960, 35211120, 42253344, 52816680, 70422240, 105633360, 211266720]

約数ペア:

[(1, 211266720), (2, 105633360), (3, 70422240), (4, 52816680), (5, 42253344), (6, 35211120), (7, 30180960), (8, 26408340), (9, 23474080), (10, 21126672), (12, 17605560), (14, 15090480), (15, 14084448), (16, 13204170), (18, 11737040), (20, 10563336), (21, 10060320), (24, 8802780), (28, 7545240), (30, 7042224), (32, 6602085), (35, 6036192), (36, 5868520), (40, 5281668), (42, 5030160), (45, 4694816), (48, 4401390), (56, 3772620), (60, 3521112), (63, 3353440), (70, 3018096), (72, 2934260), (80, 2640834), (84, 2515080), (90, 2347408), (96, 2200695), (105, 2012064), (112, 1886310), (120, 1760556), (126, 1676720), (140, 1509048), (144, 1467130), (160, 1320417), (168, 1257540), (180, 1173704), (210, 1006032), (224, 943155), (240, 880278), (252, 838360), (280, 754524), (288, 733565), (315, 670688), (336, 628770), (360, 586852), (420, 503016), (480, 440139), (504, 419180), (560, 377262), (630, 335344), (672, 314385), (720, 293426), (840, 251508), (1008, 209590), (1120, 188631), (1260, 167672), (1440, 146713), (1680, 125754), (2016, 104795), (2520, 83836), (3360, 62877), (5040, 41918), (10080, 20959)]