406501760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2984

約数の個数: 128

約数和(自身を含む): 1146839040

約数和(自身を除く): 740337280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 2927, 3472, 3968, 4340, 4480, 4960, 5854, 6944, 8680, 9920, 11708, 13888, 14635, 17360, 19840, 20489, 23416, 27776, 29270, 34720, 40978, 46832, 58540, 69440, 81956, 90737, 93664, 102445, 117080, 138880, 163912, 181474, 187328, 204890, 234160, 327824, 362948, 374656, 409780, 453685, 468320, 635159, 655648, 725896, 819560, 907370, 936640, 1270318, 1311296, 1451792, 1639120, 1814740, 1873280, 2540636, 2622592, 2903584, 3175795, 3278240, 3629480, 5081272, 5807168, 6351590, 6556480, 7258960, 10162544, 11614336, 12703180, 13112960, 14517920, 20325088, 25406360, 29035840, 40650176, 50812720, 58071680, 81300352, 101625440, 203250880, 406501760]

約数ペア:

[(1, 406501760), (2, 203250880), (4, 101625440), (5, 81300352), (7, 58071680), (8, 50812720), (10, 40650176), (14, 29035840), (16, 25406360), (20, 20325088), (28, 14517920), (31, 13112960), (32, 12703180), (35, 11614336), (40, 10162544), (56, 7258960), (62, 6556480), (64, 6351590), (70, 5807168), (80, 5081272), (112, 3629480), (124, 3278240), (128, 3175795), (140, 2903584), (155, 2622592), (160, 2540636), (217, 1873280), (224, 1814740), (248, 1639120), (280, 1451792), (310, 1311296), (320, 1270318), (434, 936640), (448, 907370), (496, 819560), (560, 725896), (620, 655648), (640, 635159), (868, 468320), (896, 453685), (992, 409780), (1085, 374656), (1120, 362948), (1240, 327824), (1736, 234160), (1984, 204890), (2170, 187328), (2240, 181474), (2480, 163912), (2927, 138880), (3472, 117080), (3968, 102445), (4340, 93664), (4480, 90737), (4960, 81956), (5854, 69440), (6944, 58540), (8680, 46832), (9920, 40978), (11708, 34720), (13888, 29270), (14635, 27776), (17360, 23416), (19840, 20489)]