79709280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{3389}}^1$

素因数の和:3421

約数の個数: 144

約数和(自身を含む): 292163760

約数和(自身を除く): 212454480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3389, 3920, 4704, 5880, 6778, 7840, 10167, 11760, 13556, 16945, 20334, 23520, 23723, 27112, 33890, 40668, 47446, 50835, 54224, 67780, 71169, 81336, 94892, 101670, 108448, 118615, 135560, 142338, 162672, 166061, 189784, 203340, 237230, 271120, 284676, 325344, 332122, 355845, 379568, 406680, 474460, 498183, 542240, 569352, 664244, 711690, 759136, 813360, 830305, 948920, 996366, 1138704, 1328488, 1423380, 1626720, 1660610, 1897840, 1992732, 2277408, 2490915, 2656976, 2846760, 3321220, 3795680, 3985464, 4981830, 5313952, 5693520, 6642440, 7970928, 9963660, 11387040, 13284880, 15941856, 19927320, 26569760, 39854640, 79709280]

約数ペア:

[(1, 79709280), (2, 39854640), (3, 26569760), (4, 19927320), (5, 15941856), (6, 13284880), (7, 11387040), (8, 9963660), (10, 7970928), (12, 6642440), (14, 5693520), (15, 5313952), (16, 4981830), (20, 3985464), (21, 3795680), (24, 3321220), (28, 2846760), (30, 2656976), (32, 2490915), (35, 2277408), (40, 1992732), (42, 1897840), (48, 1660610), (49, 1626720), (56, 1423380), (60, 1328488), (70, 1138704), (80, 996366), (84, 948920), (96, 830305), (98, 813360), (105, 759136), (112, 711690), (120, 664244), (140, 569352), (147, 542240), (160, 498183), (168, 474460), (196, 406680), (210, 379568), (224, 355845), (240, 332122), (245, 325344), (280, 284676), (294, 271120), (336, 237230), (392, 203340), (420, 189784), (480, 166061), (490, 162672), (560, 142338), (588, 135560), (672, 118615), (735, 108448), (784, 101670), (840, 94892), (980, 81336), (1120, 71169), (1176, 67780), (1470, 54224), (1568, 50835), (1680, 47446), (1960, 40668), (2352, 33890), (2940, 27112), (3360, 23723), (3389, 23520), (3920, 20334), (4704, 16945), (5880, 13556), (6778, 11760), (7840, 10167)]