388915560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1773

約数の個数: 256

約数和(自身を含む): 1489536000

約数和(自身を除く): 1100620440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 54, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 108, 110, 114, 120, 132, 135, 152, 165, 171, 180, 190, 198, 209, 216, 220, 228, 264, 270, 285, 297, 330, 342, 360, 380, 396, 418, 440, 456, 495, 513, 540, 570, 594, 627, 660, 684, 760, 792, 836, 855, 990, 1026, 1045, 1080, 1140, 1188, 1254, 1320, 1368, 1485, 1672, 1710, 1723, 1881, 1980, 2052, 2090, 2280, 2376, 2508, 2565, 2970, 3135, 3420, 3446, 3762, 3960, 4104, 4180, 5016, 5130, 5169, 5643, 5940, 6270, 6840, 6892, 7524, 8360, 8615, 9405, 10260, 10338, 11286, 11880, 12540, 13784, 15048, 15507, 17230, 18810, 18953, 20520, 20676, 22572, 25080, 25845, 28215, 31014, 32737, 34460, 37620, 37906, 41352, 45144, 46521, 51690, 56430, 56859, 62028, 65474, 68920, 75240, 75812, 77535, 93042, 94765, 98211, 103380, 112860, 113718, 124056, 130948, 151624, 155070, 163685, 170577, 186084, 189530, 196422, 206760, 225720, 227436, 232605, 261896, 284295, 294633, 310140, 327370, 341154, 360107, 372168, 379060, 392844, 454872, 465210, 491055, 511731, 568590, 589266, 620280, 654740, 682308, 720214, 758120, 785688, 852885, 883899, 930420, 982110, 1023462, 1080321, 1137180, 1178532, 1309480, 1364616, 1440428, 1473165, 1705770, 1767798, 1800535, 1860840, 1964220, 2046924, 2160642, 2274360, 2357064, 2558655, 2880856, 2946330, 3240963, 3411540, 3535596, 3601070, 3928440, 4093848, 4321284, 4419495, 5117310, 5401605, 5892660, 6481926, 6823080, 7071192, 7202140, 8642568, 8838990, 9722889, 10234620, 10803210, 11785320, 12963852, 14404280, 16204815, 17677980, 19445778, 20469240, 21606420, 25927704, 32409630, 35355960, 38891556, 43212840, 48614445, 64819260, 77783112, 97228890, 129638520, 194457780, 388915560]

約数ペア:

[(1, 388915560), (2, 194457780), (3, 129638520), (4, 97228890), (5, 77783112), (6, 64819260), (8, 48614445), (9, 43212840), (10, 38891556), (11, 35355960), (12, 32409630), (15, 25927704), (18, 21606420), (19, 20469240), (20, 19445778), (22, 17677980), (24, 16204815), (27, 14404280), (30, 12963852), (33, 11785320), (36, 10803210), (38, 10234620), (40, 9722889), (44, 8838990), (45, 8642568), (54, 7202140), (55, 7071192), (57, 6823080), (60, 6481926), (66, 5892660), (72, 5401605), (76, 5117310), (88, 4419495), (90, 4321284), (95, 4093848), (99, 3928440), (108, 3601070), (110, 3535596), (114, 3411540), (120, 3240963), (132, 2946330), (135, 2880856), (152, 2558655), (165, 2357064), (171, 2274360), (180, 2160642), (190, 2046924), (198, 1964220), (209, 1860840), (216, 1800535), (220, 1767798), (228, 1705770), (264, 1473165), (270, 1440428), (285, 1364616), (297, 1309480), (330, 1178532), (342, 1137180), (360, 1080321), (380, 1023462), (396, 982110), (418, 930420), (440, 883899), (456, 852885), (495, 785688), (513, 758120), (540, 720214), (570, 682308), (594, 654740), (627, 620280), (660, 589266), (684, 568590), (760, 511731), (792, 491055), (836, 465210), (855, 454872), (990, 392844), (1026, 379060), (1045, 372168), (1080, 360107), (1140, 341154), (1188, 327370), (1254, 310140), (1320, 294633), (1368, 284295), (1485, 261896), (1672, 232605), (1710, 227436), (1723, 225720), (1881, 206760), (1980, 196422), (2052, 189530), (2090, 186084), (2280, 170577), (2376, 163685), (2508, 155070), (2565, 151624), (2970, 130948), (3135, 124056), (3420, 113718), (3446, 112860), (3762, 103380), (3960, 98211), (4104, 94765), (4180, 93042), (5016, 77535), (5130, 75812), (5169, 75240), (5643, 68920), (5940, 65474), (6270, 62028), (6840, 56859), (6892, 56430), (7524, 51690), (8360, 46521), (8615, 45144), (9405, 41352), (10260, 37906), (10338, 37620), (11286, 34460), (11880, 32737), (12540, 31014), (13784, 28215), (15048, 25845), (15507, 25080), (17230, 22572), (18810, 20676), (18953, 20520)]