31013640

素因数分解:

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

素因数の和:452

約数の個数: 192

約数和(自身を含む): 119208960

約数和(自身を除く): 88195320

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, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 397, 420, 434, 465, 504, 558, 620, 630, 651, 744, 794, 840, 868, 930, 1085, 1116, 1191, 1240, 1260, 1302, 1395, 1588, 1736, 1860, 1953, 1985, 2170, 2232, 2382, 2520, 2604, 2779, 2790, 3176, 3255, 3573, 3720, 3906, 3970, 4340, 4764, 5208, 5558, 5580, 5955, 6510, 7146, 7812, 7940, 8337, 8680, 9528, 9765, 11116, 11160, 11910, 12307, 13020, 13895, 14292, 15624, 15880, 16674, 17865, 19530, 22232, 23820, 24614, 25011, 26040, 27790, 28584, 33348, 35730, 36921, 39060, 41685, 47640, 49228, 50022, 55580, 61535, 66696, 71460, 73842, 78120, 83370, 86149, 98456, 100044, 110763, 111160, 123070, 125055, 142920, 147684, 166740, 172298, 184605, 200088, 221526, 246140, 250110, 258447, 295368, 333480, 344596, 369210, 430745, 443052, 492280, 500220, 516894, 553815, 689192, 738420, 775341, 861490, 886104, 1000440, 1033788, 1107630, 1292235, 1476840, 1550682, 1722980, 2067576, 2215260, 2584470, 3101364, 3445960, 3876705, 4430520, 5168940, 6202728, 7753410, 10337880, 15506820, 31013640]

約数ペア:

[(1, 31013640), (2, 15506820), (3, 10337880), (4, 7753410), (5, 6202728), (6, 5168940), (7, 4430520), (8, 3876705), (9, 3445960), (10, 3101364), (12, 2584470), (14, 2215260), (15, 2067576), (18, 1722980), (20, 1550682), (21, 1476840), (24, 1292235), (28, 1107630), (30, 1033788), (31, 1000440), (35, 886104), (36, 861490), (40, 775341), (42, 738420), (45, 689192), (56, 553815), (60, 516894), (62, 500220), (63, 492280), (70, 443052), (72, 430745), (84, 369210), (90, 344596), (93, 333480), (105, 295368), (120, 258447), (124, 250110), (126, 246140), (140, 221526), (155, 200088), (168, 184605), (180, 172298), (186, 166740), (210, 147684), (217, 142920), (248, 125055), (252, 123070), (279, 111160), (280, 110763), (310, 100044), (315, 98456), (360, 86149), (372, 83370), (397, 78120), (420, 73842), (434, 71460), (465, 66696), (504, 61535), (558, 55580), (620, 50022), (630, 49228), (651, 47640), (744, 41685), (794, 39060), (840, 36921), (868, 35730), (930, 33348), (1085, 28584), (1116, 27790), (1191, 26040), (1240, 25011), (1260, 24614), (1302, 23820), (1395, 22232), (1588, 19530), (1736, 17865), (1860, 16674), (1953, 15880), (1985, 15624), (2170, 14292), (2232, 13895), (2382, 13020), (2520, 12307), (2604, 11910), (2779, 11160), (2790, 11116), (3176, 9765), (3255, 9528), (3573, 8680), (3720, 8337), (3906, 7940), (3970, 7812), (4340, 7146), (4764, 6510), (5208, 5955), (5558, 5580)]