1816647040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2251}}^1$

素因数の和:2380

約数の個数: 128

約数和(自身を含む): 4727308320

約数和(自身を除く): 2910661280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 128, 130, 160, 194, 208, 260, 320, 388, 416, 485, 520, 640, 776, 832, 970, 1040, 1261, 1552, 1664, 1940, 2080, 2251, 2522, 3104, 3880, 4160, 4502, 5044, 6208, 6305, 7760, 8320, 9004, 10088, 11255, 12416, 12610, 15520, 18008, 20176, 22510, 25220, 29263, 31040, 36016, 40352, 45020, 50440, 58526, 62080, 72032, 80704, 90040, 100880, 117052, 144064, 146315, 161408, 180080, 201760, 218347, 234104, 288128, 292630, 360160, 403520, 436694, 468208, 585260, 720320, 807040, 873388, 936416, 1091735, 1170520, 1440640, 1746776, 1872832, 2183470, 2341040, 2838511, 3493552, 3745664, 4366940, 4682080, 5677022, 6987104, 8733880, 9364160, 11354044, 13974208, 14192555, 17467760, 18728320, 22708088, 27948416, 28385110, 34935520, 45416176, 56770220, 69871040, 90832352, 113540440, 139742080, 181664704, 227080880, 363329408, 454161760, 908323520, 1816647040]

約数ペア:

[(1, 1816647040), (2, 908323520), (4, 454161760), (5, 363329408), (8, 227080880), (10, 181664704), (13, 139742080), (16, 113540440), (20, 90832352), (26, 69871040), (32, 56770220), (40, 45416176), (52, 34935520), (64, 28385110), (65, 27948416), (80, 22708088), (97, 18728320), (104, 17467760), (128, 14192555), (130, 13974208), (160, 11354044), (194, 9364160), (208, 8733880), (260, 6987104), (320, 5677022), (388, 4682080), (416, 4366940), (485, 3745664), (520, 3493552), (640, 2838511), (776, 2341040), (832, 2183470), (970, 1872832), (1040, 1746776), (1261, 1440640), (1552, 1170520), (1664, 1091735), (1940, 936416), (2080, 873388), (2251, 807040), (2522, 720320), (3104, 585260), (3880, 468208), (4160, 436694), (4502, 403520), (5044, 360160), (6208, 292630), (6305, 288128), (7760, 234104), (8320, 218347), (9004, 201760), (10088, 180080), (11255, 161408), (12416, 146315), (12610, 144064), (15520, 117052), (18008, 100880), (20176, 90040), (22510, 80704), (25220, 72032), (29263, 62080), (31040, 58526), (36016, 50440), (40352, 45020)]