78615680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:902

約数の個数: 128

約数和(自身を含む): 221054400

約数和(自身を除く): 142438720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 715, 832, 859, 880, 1040, 1144, 1408, 1430, 1664, 1718, 1760, 2080, 2288, 2860, 3436, 3520, 4160, 4295, 4576, 5720, 6872, 7040, 8320, 8590, 9152, 9449, 11167, 11440, 13744, 17180, 18304, 18898, 22334, 22880, 27488, 34360, 37796, 44668, 45760, 47245, 54976, 55835, 68720, 75592, 89336, 91520, 94490, 109952, 111670, 122837, 137440, 151184, 178672, 188980, 223340, 245674, 274880, 302368, 357344, 377960, 446680, 491348, 549760, 604736, 614185, 714688, 755920, 893360, 982696, 1209472, 1228370, 1429376, 1511840, 1786720, 1965392, 2456740, 3023680, 3573440, 3930784, 4913480, 6047360, 7146880, 7861568, 9826960, 15723136, 19653920, 39307840, 78615680]

約数ペア:

[(1, 78615680), (2, 39307840), (4, 19653920), (5, 15723136), (8, 9826960), (10, 7861568), (11, 7146880), (13, 6047360), (16, 4913480), (20, 3930784), (22, 3573440), (26, 3023680), (32, 2456740), (40, 1965392), (44, 1786720), (52, 1511840), (55, 1429376), (64, 1228370), (65, 1209472), (80, 982696), (88, 893360), (104, 755920), (110, 714688), (128, 614185), (130, 604736), (143, 549760), (160, 491348), (176, 446680), (208, 377960), (220, 357344), (260, 302368), (286, 274880), (320, 245674), (352, 223340), (416, 188980), (440, 178672), (520, 151184), (572, 137440), (640, 122837), (704, 111670), (715, 109952), (832, 94490), (859, 91520), (880, 89336), (1040, 75592), (1144, 68720), (1408, 55835), (1430, 54976), (1664, 47245), (1718, 45760), (1760, 44668), (2080, 37796), (2288, 34360), (2860, 27488), (3436, 22880), (3520, 22334), (4160, 18898), (4295, 18304), (4576, 17180), (5720, 13744), (6872, 11440), (7040, 11167), (8320, 9449), (8590, 9152)]