30931320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1601}}^1$

素因数の和:1645

約数の個数: 128

約数和(自身を含む): 110730240

約数和(自身を除く): 79798920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1601, 1610, 1932, 2415, 2760, 3202, 3220, 3864, 4803, 4830, 6404, 6440, 8005, 9606, 9660, 11207, 12808, 16010, 19212, 19320, 22414, 24015, 32020, 33621, 36823, 38424, 44828, 48030, 56035, 64040, 67242, 73646, 89656, 96060, 110469, 112070, 134484, 147292, 168105, 184115, 192120, 220938, 224140, 257761, 268968, 294584, 336210, 368230, 441876, 448280, 515522, 552345, 672420, 736460, 773283, 883752, 1031044, 1104690, 1288805, 1344840, 1472920, 1546566, 2062088, 2209380, 2577610, 3093132, 3866415, 4418760, 5155220, 6186264, 7732830, 10310440, 15465660, 30931320]

約数ペア:

[(1, 30931320), (2, 15465660), (3, 10310440), (4, 7732830), (5, 6186264), (6, 5155220), (7, 4418760), (8, 3866415), (10, 3093132), (12, 2577610), (14, 2209380), (15, 2062088), (20, 1546566), (21, 1472920), (23, 1344840), (24, 1288805), (28, 1104690), (30, 1031044), (35, 883752), (40, 773283), (42, 736460), (46, 672420), (56, 552345), (60, 515522), (69, 448280), (70, 441876), (84, 368230), (92, 336210), (105, 294584), (115, 268968), (120, 257761), (138, 224140), (140, 220938), (161, 192120), (168, 184115), (184, 168105), (210, 147292), (230, 134484), (276, 112070), (280, 110469), (322, 96060), (345, 89656), (420, 73646), (460, 67242), (483, 64040), (552, 56035), (644, 48030), (690, 44828), (805, 38424), (840, 36823), (920, 33621), (966, 32020), (1288, 24015), (1380, 22414), (1601, 19320), (1610, 19212), (1932, 16010), (2415, 12808), (2760, 11207), (3202, 9660), (3220, 9606), (3864, 8005), (4803, 6440), (4830, 6404)]