281620080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:884

約数の個数: 240

約数和(自身を含む): 1097501184

約数和(自身を除く): 815881104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 71, 72, 80, 84, 90, 105, 112, 120, 126, 140, 142, 144, 168, 180, 210, 213, 240, 252, 280, 284, 315, 336, 355, 360, 420, 426, 497, 504, 560, 568, 630, 639, 710, 720, 787, 840, 852, 994, 1008, 1065, 1136, 1260, 1278, 1420, 1491, 1574, 1680, 1704, 1988, 2130, 2361, 2485, 2520, 2556, 2840, 2982, 3148, 3195, 3408, 3935, 3976, 4260, 4473, 4722, 4970, 5040, 5112, 5509, 5680, 5964, 6296, 6390, 7083, 7455, 7870, 7952, 8520, 8946, 9444, 9940, 10224, 11018, 11805, 11928, 12592, 12780, 14166, 14910, 15740, 16527, 17040, 17892, 18888, 19880, 22036, 22365, 23610, 23856, 25560, 27545, 28332, 29820, 31480, 33054, 35415, 35784, 37776, 39760, 44072, 44730, 47220, 49581, 51120, 55090, 55877, 56664, 59640, 62960, 66108, 70830, 71568, 82635, 88144, 89460, 94440, 99162, 110180, 111754, 113328, 119280, 132216, 141660, 165270, 167631, 178920, 188880, 198324, 220360, 223508, 247905, 264432, 279385, 283320, 330540, 335262, 357840, 391139, 396648, 440720, 447016, 495810, 502893, 558770, 566640, 661080, 670524, 782278, 793296, 838155, 894032, 991620, 1005786, 1117540, 1173417, 1322160, 1341048, 1564556, 1676310, 1955695, 1983240, 2011572, 2235080, 2346834, 2514465, 2682096, 3129112, 3352620, 3520251, 3911390, 3966480, 4023144, 4470160, 4693668, 5028930, 5867085, 6258224, 6705240, 7040502, 7822780, 8046288, 9387336, 10057860, 11734170, 13410480, 14081004, 15645560, 17601255, 18774672, 20115720, 23468340, 28162008, 31291120, 35202510, 40231440, 46936680, 56324016, 70405020, 93873360, 140810040, 281620080]

約数ペア:

[(1, 281620080), (2, 140810040), (3, 93873360), (4, 70405020), (5, 56324016), (6, 46936680), (7, 40231440), (8, 35202510), (9, 31291120), (10, 28162008), (12, 23468340), (14, 20115720), (15, 18774672), (16, 17601255), (18, 15645560), (20, 14081004), (21, 13410480), (24, 11734170), (28, 10057860), (30, 9387336), (35, 8046288), (36, 7822780), (40, 7040502), (42, 6705240), (45, 6258224), (48, 5867085), (56, 5028930), (60, 4693668), (63, 4470160), (70, 4023144), (71, 3966480), (72, 3911390), (80, 3520251), (84, 3352620), (90, 3129112), (105, 2682096), (112, 2514465), (120, 2346834), (126, 2235080), (140, 2011572), (142, 1983240), (144, 1955695), (168, 1676310), (180, 1564556), (210, 1341048), (213, 1322160), (240, 1173417), (252, 1117540), (280, 1005786), (284, 991620), (315, 894032), (336, 838155), (355, 793296), (360, 782278), (420, 670524), (426, 661080), (497, 566640), (504, 558770), (560, 502893), (568, 495810), (630, 447016), (639, 440720), (710, 396648), (720, 391139), (787, 357840), (840, 335262), (852, 330540), (994, 283320), (1008, 279385), (1065, 264432), (1136, 247905), (1260, 223508), (1278, 220360), (1420, 198324), (1491, 188880), (1574, 178920), (1680, 167631), (1704, 165270), (1988, 141660), (2130, 132216), (2361, 119280), (2485, 113328), (2520, 111754), (2556, 110180), (2840, 99162), (2982, 94440), (3148, 89460), (3195, 88144), (3408, 82635), (3935, 71568), (3976, 70830), (4260, 66108), (4473, 62960), (4722, 59640), (4970, 56664), (5040, 55877), (5112, 55090), (5509, 51120), (5680, 49581), (5964, 47220), (6296, 44730), (6390, 44072), (7083, 39760), (7455, 37776), (7870, 35784), (7952, 35415), (8520, 33054), (8946, 31480), (9444, 29820), (9940, 28332), (10224, 27545), (11018, 25560), (11805, 23856), (11928, 23610), (12592, 22365), (12780, 22036), (14166, 19880), (14910, 18888), (15740, 17892), (16527, 17040)]