81558471040

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{325921}}^1$

素因数の和:325980

約数の個数: 128

約数和(自身を含む): 215421405120

約数和(自身を除く): 133862934080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 128, 136, 160, 170, 184, 230, 272, 320, 340, 368, 391, 460, 544, 640, 680, 736, 782, 920, 1088, 1360, 1472, 1564, 1840, 1955, 2176, 2720, 2944, 3128, 3680, 3910, 5440, 6256, 7360, 7820, 10880, 12512, 14720, 15640, 25024, 31280, 50048, 62560, 125120, 250240, 325921, 651842, 1303684, 1629605, 2607368, 3259210, 5214736, 5540657, 6518420, 7496183, 10429472, 11081314, 13036840, 14992366, 20858944, 22162628, 26073680, 27703285, 29984732, 37480915, 41717888, 44325256, 52147360, 55406570, 59969464, 74961830, 88650512, 104294720, 110813140, 119938928, 127435111, 149923660, 177301024, 208589440, 221626280, 239877856, 254870222, 299847320, 354602048, 443252560, 479755712, 509740444, 599694640, 637175555, 709204096, 886505120, 959511424, 1019480888, 1199389280, 1274351110, 1773010240, 2038961776, 2398778560, 2548702220, 3546020480, 4077923552, 4797557120, 5097404440, 8155847104, 10194808880, 16311694208, 20389617760, 40779235520, 81558471040]

約数ペア:

[(1, 81558471040), (2, 40779235520), (4, 20389617760), (5, 16311694208), (8, 10194808880), (10, 8155847104), (16, 5097404440), (17, 4797557120), (20, 4077923552), (23, 3546020480), (32, 2548702220), (34, 2398778560), (40, 2038961776), (46, 1773010240), (64, 1274351110), (68, 1199389280), (80, 1019480888), (85, 959511424), (92, 886505120), (115, 709204096), (128, 637175555), (136, 599694640), (160, 509740444), (170, 479755712), (184, 443252560), (230, 354602048), (272, 299847320), (320, 254870222), (340, 239877856), (368, 221626280), (391, 208589440), (460, 177301024), (544, 149923660), (640, 127435111), (680, 119938928), (736, 110813140), (782, 104294720), (920, 88650512), (1088, 74961830), (1360, 59969464), (1472, 55406570), (1564, 52147360), (1840, 44325256), (1955, 41717888), (2176, 37480915), (2720, 29984732), (2944, 27703285), (3128, 26073680), (3680, 22162628), (3910, 20858944), (5440, 14992366), (6256, 13036840), (7360, 11081314), (7820, 10429472), (10880, 7496183), (12512, 6518420), (14720, 5540657), (15640, 5214736), (25024, 3259210), (31280, 2607368), (50048, 1629605), (62560, 1303684), (125120, 651842), (250240, 325921)]