217095480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 288

約数和(自身を含む): 849363840

約数和(自身を除く): 632268360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 49, 56, 60, 62, 63, 70, 72, 84, 90, 93, 98, 105, 120, 124, 126, 140, 147, 155, 168, 180, 186, 196, 210, 217, 245, 248, 252, 279, 280, 294, 310, 315, 360, 372, 392, 397, 420, 434, 441, 465, 490, 504, 558, 588, 620, 630, 651, 735, 744, 794, 840, 868, 882, 930, 980, 1085, 1116, 1176, 1191, 1240, 1260, 1302, 1395, 1470, 1519, 1588, 1736, 1764, 1860, 1953, 1960, 1985, 2170, 2205, 2232, 2382, 2520, 2604, 2779, 2790, 2940, 3038, 3176, 3255, 3528, 3573, 3720, 3906, 3970, 4340, 4410, 4557, 4764, 5208, 5558, 5580, 5880, 5955, 6076, 6510, 7146, 7595, 7812, 7940, 8337, 8680, 8820, 9114, 9528, 9765, 11116, 11160, 11910, 12152, 12307, 13020, 13671, 13895, 14292, 15190, 15624, 15880, 16674, 17640, 17865, 18228, 19453, 19530, 22232, 22785, 23820, 24614, 25011, 26040, 27342, 27790, 28584, 30380, 33348, 35730, 36456, 36921, 38906, 39060, 41685, 45570, 47640, 49228, 50022, 54684, 55580, 58359, 60760, 61535, 66696, 68355, 71460, 73842, 77812, 78120, 83370, 86149, 91140, 97265, 98456, 100044, 109368, 110763, 111160, 116718, 123070, 125055, 136710, 142920, 147684, 155624, 166740, 172298, 175077, 182280, 184605, 194530, 200088, 221526, 233436, 246140, 250110, 258447, 273420, 291795, 295368, 333480, 344596, 350154, 369210, 389060, 430745, 443052, 466872, 492280, 500220, 516894, 546840, 553815, 583590, 603043, 689192, 700308, 738420, 775341, 778120, 861490, 875385, 886104, 1000440, 1033788, 1107630, 1167180, 1206086, 1292235, 1400616, 1476840, 1550682, 1722980, 1750770, 1809129, 2067576, 2215260, 2334360, 2412172, 2584470, 3015215, 3101364, 3445960, 3501540, 3618258, 3876705, 4430520, 4824344, 5168940, 5427387, 6030430, 6202728, 7003080, 7236516, 7753410, 9045645, 10337880, 10854774, 12060860, 14473032, 15506820, 18091290, 21709548, 24121720, 27136935, 31013640, 36182580, 43419096, 54273870, 72365160, 108547740, 217095480]

約数ペア:

[(1, 217095480), (2, 108547740), (3, 72365160), (4, 54273870), (5, 43419096), (6, 36182580), (7, 31013640), (8, 27136935), (9, 24121720), (10, 21709548), (12, 18091290), (14, 15506820), (15, 14473032), (18, 12060860), (20, 10854774), (21, 10337880), (24, 9045645), (28, 7753410), (30, 7236516), (31, 7003080), (35, 6202728), (36, 6030430), (40, 5427387), (42, 5168940), (45, 4824344), (49, 4430520), (56, 3876705), (60, 3618258), (62, 3501540), (63, 3445960), (70, 3101364), (72, 3015215), (84, 2584470), (90, 2412172), (93, 2334360), (98, 2215260), (105, 2067576), (120, 1809129), (124, 1750770), (126, 1722980), (140, 1550682), (147, 1476840), (155, 1400616), (168, 1292235), (180, 1206086), (186, 1167180), (196, 1107630), (210, 1033788), (217, 1000440), (245, 886104), (248, 875385), (252, 861490), (279, 778120), (280, 775341), (294, 738420), (310, 700308), (315, 689192), (360, 603043), (372, 583590), (392, 553815), (397, 546840), (420, 516894), (434, 500220), (441, 492280), (465, 466872), (490, 443052), (504, 430745), (558, 389060), (588, 369210), (620, 350154), (630, 344596), (651, 333480), (735, 295368), (744, 291795), (794, 273420), (840, 258447), (868, 250110), (882, 246140), (930, 233436), (980, 221526), (1085, 200088), (1116, 194530), (1176, 184605), (1191, 182280), (1240, 175077), (1260, 172298), (1302, 166740), (1395, 155624), (1470, 147684), (1519, 142920), (1588, 136710), (1736, 125055), (1764, 123070), (1860, 116718), (1953, 111160), (1960, 110763), (1985, 109368), (2170, 100044), (2205, 98456), (2232, 97265), (2382, 91140), (2520, 86149), (2604, 83370), (2779, 78120), (2790, 77812), (2940, 73842), (3038, 71460), (3176, 68355), (3255, 66696), (3528, 61535), (3573, 60760), (3720, 58359), (3906, 55580), (3970, 54684), (4340, 50022), (4410, 49228), (4557, 47640), (4764, 45570), (5208, 41685), (5558, 39060), (5580, 38906), (5880, 36921), (5955, 36456), (6076, 35730), (6510, 33348), (7146, 30380), (7595, 28584), (7812, 27790), (7940, 27342), (8337, 26040), (8680, 25011), (8820, 24614), (9114, 23820), (9528, 22785), (9765, 22232), (11116, 19530), (11160, 19453), (11910, 18228), (12152, 17865), (12307, 17640), (13020, 16674), (13671, 15880), (13895, 15624), (14292, 15190)]