287220120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 960664320

約数和(自身を除く): 673444200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 131, 132, 151, 165, 220, 242, 262, 264, 302, 330, 363, 393, 440, 453, 484, 524, 604, 605, 655, 660, 726, 755, 786, 906, 968, 1048, 1208, 1210, 1310, 1320, 1441, 1452, 1510, 1572, 1661, 1812, 1815, 1965, 2265, 2420, 2620, 2882, 2904, 3020, 3144, 3322, 3624, 3630, 3930, 4323, 4530, 4840, 4983, 5240, 5764, 6040, 6644, 7205, 7260, 7860, 8305, 8646, 9060, 9966, 11528, 13288, 14410, 14520, 15720, 15851, 16610, 17292, 18120, 18271, 19781, 19932, 21615, 24915, 28820, 31702, 33220, 34584, 36542, 39562, 39864, 43230, 47553, 49830, 54813, 57640, 59343, 63404, 66440, 73084, 79124, 79255, 86460, 91355, 95106, 98905, 99660, 109626, 118686, 126808, 146168, 158248, 158510, 172920, 182710, 190212, 197810, 199320, 217591, 219252, 237372, 237765, 274065, 296715, 317020, 365420, 380424, 395620, 435182, 438504, 474744, 475530, 548130, 593430, 634040, 652773, 730840, 791240, 870364, 951060, 1087955, 1096260, 1186860, 1305546, 1740728, 1902120, 2175910, 2192520, 2373720, 2393501, 2611092, 3263865, 4351820, 4787002, 5222184, 6527730, 7180503, 8703640, 9574004, 11967505, 13055460, 14361006, 19148008, 23935010, 26110920, 28722012, 35902515, 47870020, 57444024, 71805030, 95740040, 143610060, 287220120]

約数ペア:

[(1, 287220120), (2, 143610060), (3, 95740040), (4, 71805030), (5, 57444024), (6, 47870020), (8, 35902515), (10, 28722012), (11, 26110920), (12, 23935010), (15, 19148008), (20, 14361006), (22, 13055460), (24, 11967505), (30, 9574004), (33, 8703640), (40, 7180503), (44, 6527730), (55, 5222184), (60, 4787002), (66, 4351820), (88, 3263865), (110, 2611092), (120, 2393501), (121, 2373720), (131, 2192520), (132, 2175910), (151, 1902120), (165, 1740728), (220, 1305546), (242, 1186860), (262, 1096260), (264, 1087955), (302, 951060), (330, 870364), (363, 791240), (393, 730840), (440, 652773), (453, 634040), (484, 593430), (524, 548130), (604, 475530), (605, 474744), (655, 438504), (660, 435182), (726, 395620), (755, 380424), (786, 365420), (906, 317020), (968, 296715), (1048, 274065), (1208, 237765), (1210, 237372), (1310, 219252), (1320, 217591), (1441, 199320), (1452, 197810), (1510, 190212), (1572, 182710), (1661, 172920), (1812, 158510), (1815, 158248), (1965, 146168), (2265, 126808), (2420, 118686), (2620, 109626), (2882, 99660), (2904, 98905), (3020, 95106), (3144, 91355), (3322, 86460), (3624, 79255), (3630, 79124), (3930, 73084), (4323, 66440), (4530, 63404), (4840, 59343), (4983, 57640), (5240, 54813), (5764, 49830), (6040, 47553), (6644, 43230), (7205, 39864), (7260, 39562), (7860, 36542), (8305, 34584), (8646, 33220), (9060, 31702), (9966, 28820), (11528, 24915), (13288, 21615), (14410, 19932), (14520, 19781), (15720, 18271), (15851, 18120), (16610, 17292)]