68170240

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:913

約数の個数: 80

約数和(自身を含む): 168917760

約数和(自身を除く): 100747520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 859, 992, 1240, 1280, 1718, 1984, 2480, 2560, 3436, 3968, 4295, 4960, 6872, 7936, 8590, 9920, 13744, 15872, 17180, 19840, 26629, 27488, 34360, 39680, 53258, 54976, 68720, 79360, 106516, 109952, 133145, 137440, 213032, 219904, 266290, 274880, 426064, 439808, 532580, 549760, 852128, 1065160, 1099520, 1704256, 2130320, 2199040, 3408512, 4260640, 6817024, 8521280, 13634048, 17042560, 34085120, 68170240]

約数ペア:

[(1, 68170240), (2, 34085120), (4, 17042560), (5, 13634048), (8, 8521280), (10, 6817024), (16, 4260640), (20, 3408512), (31, 2199040), (32, 2130320), (40, 1704256), (62, 1099520), (64, 1065160), (80, 852128), (124, 549760), (128, 532580), (155, 439808), (160, 426064), (248, 274880), (256, 266290), (310, 219904), (320, 213032), (496, 137440), (512, 133145), (620, 109952), (640, 106516), (859, 79360), (992, 68720), (1240, 54976), (1280, 53258), (1718, 39680), (1984, 34360), (2480, 27488), (2560, 26629), (3436, 19840), (3968, 17180), (4295, 15872), (4960, 13744), (6872, 9920), (7936, 8590)]