285531120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:520

約数の個数: 240

約数和(自身を含む): 1105470912

約数和(自身を除く): 819939792

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, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 181, 210, 240, 252, 280, 313, 315, 336, 360, 362, 420, 504, 543, 560, 626, 630, 720, 724, 840, 905, 939, 1008, 1086, 1252, 1260, 1267, 1448, 1565, 1629, 1680, 1810, 1878, 2172, 2191, 2504, 2520, 2534, 2715, 2817, 2896, 3130, 3258, 3620, 3756, 3801, 4344, 4382, 4695, 5008, 5040, 5068, 5430, 5634, 6260, 6335, 6516, 6573, 7240, 7512, 7602, 8145, 8688, 8764, 9390, 10136, 10860, 10955, 11268, 11403, 12520, 12670, 13032, 13146, 14085, 14480, 15024, 15204, 16290, 17528, 18780, 19005, 19719, 20272, 21720, 21910, 22536, 22806, 25040, 25340, 26064, 26292, 28170, 30408, 32580, 32865, 35056, 37560, 38010, 39438, 43440, 43820, 45072, 45612, 50680, 52584, 56340, 56653, 57015, 60816, 65160, 65730, 75120, 76020, 78876, 87640, 91224, 98595, 101360, 105168, 112680, 113306, 114030, 130320, 131460, 152040, 157752, 169959, 175280, 182448, 197190, 225360, 226612, 228060, 262920, 283265, 304080, 315504, 339918, 394380, 396571, 453224, 456120, 509877, 525840, 566530, 679836, 788760, 793142, 849795, 906448, 912240, 1019754, 1133060, 1189713, 1359672, 1577520, 1586284, 1699590, 1982855, 2039508, 2266120, 2379426, 2549385, 2719344, 3172568, 3399180, 3569139, 3965710, 4079016, 4532240, 4758852, 5098770, 5948565, 6345136, 6798360, 7138278, 7931420, 8158032, 9517704, 10197540, 11897130, 13596720, 14276556, 15862840, 17845695, 19035408, 20395080, 23794260, 28553112, 31725680, 35691390, 40790160, 47588520, 57106224, 71382780, 95177040, 142765560, 285531120]

約数ペア:

[(1, 285531120), (2, 142765560), (3, 95177040), (4, 71382780), (5, 57106224), (6, 47588520), (7, 40790160), (8, 35691390), (9, 31725680), (10, 28553112), (12, 23794260), (14, 20395080), (15, 19035408), (16, 17845695), (18, 15862840), (20, 14276556), (21, 13596720), (24, 11897130), (28, 10197540), (30, 9517704), (35, 8158032), (36, 7931420), (40, 7138278), (42, 6798360), (45, 6345136), (48, 5948565), (56, 5098770), (60, 4758852), (63, 4532240), (70, 4079016), (72, 3965710), (80, 3569139), (84, 3399180), (90, 3172568), (105, 2719344), (112, 2549385), (120, 2379426), (126, 2266120), (140, 2039508), (144, 1982855), (168, 1699590), (180, 1586284), (181, 1577520), (210, 1359672), (240, 1189713), (252, 1133060), (280, 1019754), (313, 912240), (315, 906448), (336, 849795), (360, 793142), (362, 788760), (420, 679836), (504, 566530), (543, 525840), (560, 509877), (626, 456120), (630, 453224), (720, 396571), (724, 394380), (840, 339918), (905, 315504), (939, 304080), (1008, 283265), (1086, 262920), (1252, 228060), (1260, 226612), (1267, 225360), (1448, 197190), (1565, 182448), (1629, 175280), (1680, 169959), (1810, 157752), (1878, 152040), (2172, 131460), (2191, 130320), (2504, 114030), (2520, 113306), (2534, 112680), (2715, 105168), (2817, 101360), (2896, 98595), (3130, 91224), (3258, 87640), (3620, 78876), (3756, 76020), (3801, 75120), (4344, 65730), (4382, 65160), (4695, 60816), (5008, 57015), (5040, 56653), (5068, 56340), (5430, 52584), (5634, 50680), (6260, 45612), (6335, 45072), (6516, 43820), (6573, 43440), (7240, 39438), (7512, 38010), (7602, 37560), (8145, 35056), (8688, 32865), (8764, 32580), (9390, 30408), (10136, 28170), (10860, 26292), (10955, 26064), (11268, 25340), (11403, 25040), (12520, 22806), (12670, 22536), (13032, 21910), (13146, 21720), (14085, 20272), (14480, 19719), (15024, 19005), (15204, 18780), (16290, 17528)]