81453330

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:701

約数の個数: 128

約数和(自身を含む): 252149760

約数和(自身を除く): 170696430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 213, 270, 315, 355, 378, 426, 497, 607, 630, 639, 710, 945, 994, 1065, 1214, 1278, 1491, 1821, 1890, 1917, 2130, 2485, 2982, 3035, 3195, 3642, 3834, 4249, 4473, 4970, 5463, 6070, 6390, 7455, 8498, 8946, 9105, 9585, 10926, 12747, 13419, 14910, 16389, 18210, 19170, 21245, 22365, 25494, 26838, 27315, 32778, 38241, 42490, 43097, 44730, 54630, 63735, 67095, 76482, 81945, 86194, 114723, 127470, 129291, 134190, 163890, 191205, 215485, 229446, 258582, 301679, 382410, 387873, 430970, 573615, 603358, 646455, 775746, 905037, 1147230, 1163619, 1292910, 1508395, 1810074, 1939365, 2327238, 2715111, 3016790, 3878730, 4525185, 5430222, 5818095, 8145333, 9050370, 11636190, 13575555, 16290666, 27151110, 40726665, 81453330]

約数ペア:

[(1, 81453330), (2, 40726665), (3, 27151110), (5, 16290666), (6, 13575555), (7, 11636190), (9, 9050370), (10, 8145333), (14, 5818095), (15, 5430222), (18, 4525185), (21, 3878730), (27, 3016790), (30, 2715111), (35, 2327238), (42, 1939365), (45, 1810074), (54, 1508395), (63, 1292910), (70, 1163619), (71, 1147230), (90, 905037), (105, 775746), (126, 646455), (135, 603358), (142, 573615), (189, 430970), (210, 387873), (213, 382410), (270, 301679), (315, 258582), (355, 229446), (378, 215485), (426, 191205), (497, 163890), (607, 134190), (630, 129291), (639, 127470), (710, 114723), (945, 86194), (994, 81945), (1065, 76482), (1214, 67095), (1278, 63735), (1491, 54630), (1821, 44730), (1890, 43097), (1917, 42490), (2130, 38241), (2485, 32778), (2982, 27315), (3035, 26838), (3195, 25494), (3642, 22365), (3834, 21245), (4249, 19170), (4473, 18210), (4970, 16389), (5463, 14910), (6070, 13419), (6390, 12747), (7455, 10926), (8498, 9585), (8946, 9105)]