56801920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 160588800

約数和(自身を除く): 103786880

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, 409, 434, 448, 496, 560, 620, 640, 818, 868, 896, 992, 1085, 1120, 1240, 1636, 1736, 1984, 2045, 2170, 2240, 2480, 2863, 3272, 3472, 3968, 4090, 4340, 4480, 4960, 5726, 6544, 6944, 8180, 8680, 9920, 11452, 12679, 13088, 13888, 14315, 16360, 17360, 19840, 22904, 25358, 26176, 27776, 28630, 32720, 34720, 45808, 50716, 52352, 57260, 63395, 65440, 69440, 88753, 91616, 101432, 114520, 126790, 130880, 138880, 177506, 183232, 202864, 229040, 253580, 261760, 355012, 366464, 405728, 443765, 458080, 507160, 710024, 811456, 887530, 916160, 1014320, 1420048, 1622912, 1775060, 1832320, 2028640, 2840096, 3550120, 4057280, 5680192, 7100240, 8114560, 11360384, 14200480, 28400960, 56801920]

約数ペア:

[(1, 56801920), (2, 28400960), (4, 14200480), (5, 11360384), (7, 8114560), (8, 7100240), (10, 5680192), (14, 4057280), (16, 3550120), (20, 2840096), (28, 2028640), (31, 1832320), (32, 1775060), (35, 1622912), (40, 1420048), (56, 1014320), (62, 916160), (64, 887530), (70, 811456), (80, 710024), (112, 507160), (124, 458080), (128, 443765), (140, 405728), (155, 366464), (160, 355012), (217, 261760), (224, 253580), (248, 229040), (280, 202864), (310, 183232), (320, 177506), (409, 138880), (434, 130880), (448, 126790), (496, 114520), (560, 101432), (620, 91616), (640, 88753), (818, 69440), (868, 65440), (896, 63395), (992, 57260), (1085, 52352), (1120, 50716), (1240, 45808), (1636, 34720), (1736, 32720), (1984, 28630), (2045, 27776), (2170, 26176), (2240, 25358), (2480, 22904), (2863, 19840), (3272, 17360), (3472, 16360), (3968, 14315), (4090, 13888), (4340, 13088), (4480, 12679), (4960, 11452), (5726, 9920), (6544, 8680), (6944, 8180)]