638500320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2593}}^1$

素因数の和:2639

約数の個数: 240

約数和(自身を含む): 2372887440

約数和(自身を除く): 1734387120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 608, 648, 684, 720, 760, 810, 855, 864, 912, 1026, 1080, 1140, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1824, 2052, 2160, 2280, 2565, 2592, 2593, 2736, 3040, 3078, 3240, 3420, 4104, 4320, 4560, 5130, 5186, 5472, 6156, 6480, 6840, 7695, 7779, 8208, 9120, 10260, 10372, 12312, 12960, 12965, 13680, 15390, 15558, 16416, 20520, 20744, 23337, 24624, 25930, 27360, 30780, 31116, 38895, 41040, 41488, 46674, 49248, 49267, 51860, 61560, 62232, 70011, 77790, 82080, 82976, 93348, 98534, 103720, 116685, 123120, 124464, 140022, 147801, 155580, 186696, 197068, 207440, 210033, 233370, 246240, 246335, 248928, 280044, 295602, 311160, 350055, 373392, 394136, 414880, 420066, 443403, 466740, 492670, 560088, 591204, 622320, 700110, 739005, 746784, 788272, 840132, 886806, 933480, 985340, 1050165, 1120176, 1182408, 1244640, 1330209, 1400220, 1478010, 1576544, 1680264, 1773612, 1866960, 1970680, 2100330, 2217015, 2240352, 2364816, 2660418, 2800440, 2956020, 3360528, 3547224, 3733920, 3941360, 3990627, 4200660, 4434030, 4729632, 5320836, 5600880, 5912040, 6651045, 6721056, 7094448, 7882720, 7981254, 8401320, 8868060, 10641672, 11201760, 11824080, 13302090, 14188896, 15962508, 16802640, 17736120, 19953135, 21283344, 23648160, 26604180, 31925016, 33605280, 35472240, 39906270, 42566688, 53208360, 63850032, 70944480, 79812540, 106416720, 127700064, 159625080, 212833440, 319250160, 638500320]

約数ペア:

[(1, 638500320), (2, 319250160), (3, 212833440), (4, 159625080), (5, 127700064), (6, 106416720), (8, 79812540), (9, 70944480), (10, 63850032), (12, 53208360), (15, 42566688), (16, 39906270), (18, 35472240), (19, 33605280), (20, 31925016), (24, 26604180), (27, 23648160), (30, 21283344), (32, 19953135), (36, 17736120), (38, 16802640), (40, 15962508), (45, 14188896), (48, 13302090), (54, 11824080), (57, 11201760), (60, 10641672), (72, 8868060), (76, 8401320), (80, 7981254), (81, 7882720), (90, 7094448), (95, 6721056), (96, 6651045), (108, 5912040), (114, 5600880), (120, 5320836), (135, 4729632), (144, 4434030), (152, 4200660), (160, 3990627), (162, 3941360), (171, 3733920), (180, 3547224), (190, 3360528), (216, 2956020), (228, 2800440), (240, 2660418), (270, 2364816), (285, 2240352), (288, 2217015), (304, 2100330), (324, 1970680), (342, 1866960), (360, 1773612), (380, 1680264), (405, 1576544), (432, 1478010), (456, 1400220), (480, 1330209), (513, 1244640), (540, 1182408), (570, 1120176), (608, 1050165), (648, 985340), (684, 933480), (720, 886806), (760, 840132), (810, 788272), (855, 746784), (864, 739005), (912, 700110), (1026, 622320), (1080, 591204), (1140, 560088), (1296, 492670), (1368, 466740), (1440, 443403), (1520, 420066), (1539, 414880), (1620, 394136), (1710, 373392), (1824, 350055), (2052, 311160), (2160, 295602), (2280, 280044), (2565, 248928), (2592, 246335), (2593, 246240), (2736, 233370), (3040, 210033), (3078, 207440), (3240, 197068), (3420, 186696), (4104, 155580), (4320, 147801), (4560, 140022), (5130, 124464), (5186, 123120), (5472, 116685), (6156, 103720), (6480, 98534), (6840, 93348), (7695, 82976), (7779, 82080), (8208, 77790), (9120, 70011), (10260, 62232), (10372, 61560), (12312, 51860), (12960, 49267), (12965, 49248), (13680, 46674), (15390, 41488), (15558, 41040), (16416, 38895), (20520, 31116), (20744, 30780), (23337, 27360), (24624, 25930)]