31288740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 108380160

約数和(自身を除く): 77091420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 41, 42, 46, 60, 69, 70, 79, 82, 84, 92, 105, 115, 123, 138, 140, 158, 161, 164, 205, 210, 230, 237, 246, 276, 287, 316, 322, 345, 395, 410, 420, 460, 474, 483, 492, 553, 574, 615, 644, 690, 790, 805, 820, 861, 943, 948, 966, 1106, 1148, 1185, 1230, 1380, 1435, 1580, 1610, 1659, 1722, 1817, 1886, 1932, 2212, 2370, 2415, 2460, 2765, 2829, 2870, 3220, 3239, 3318, 3444, 3634, 3772, 4305, 4715, 4740, 4830, 5451, 5530, 5658, 5740, 6478, 6601, 6636, 7268, 8295, 8610, 9085, 9430, 9660, 9717, 10902, 11060, 11316, 12719, 12956, 13202, 14145, 16195, 16590, 17220, 18170, 18860, 19434, 19803, 21804, 22673, 25438, 26404, 27255, 28290, 32390, 33005, 33180, 36340, 38157, 38868, 39606, 45346, 48585, 50876, 54510, 56580, 63595, 64780, 66010, 68019, 74497, 76314, 79212, 90692, 97170, 99015, 109020, 113365, 127190, 132020, 136038, 148994, 152628, 190785, 194340, 198030, 223491, 226730, 254380, 272076, 297988, 340095, 372485, 381570, 396060, 446982, 453460, 521479, 680190, 744970, 763140, 893964, 1042958, 1117455, 1360380, 1489940, 1564437, 2085916, 2234910, 2607395, 3128874, 4469820, 5214790, 6257748, 7822185, 10429580, 15644370, 31288740]

約数ペア:

[(1, 31288740), (2, 15644370), (3, 10429580), (4, 7822185), (5, 6257748), (6, 5214790), (7, 4469820), (10, 3128874), (12, 2607395), (14, 2234910), (15, 2085916), (20, 1564437), (21, 1489940), (23, 1360380), (28, 1117455), (30, 1042958), (35, 893964), (41, 763140), (42, 744970), (46, 680190), (60, 521479), (69, 453460), (70, 446982), (79, 396060), (82, 381570), (84, 372485), (92, 340095), (105, 297988), (115, 272076), (123, 254380), (138, 226730), (140, 223491), (158, 198030), (161, 194340), (164, 190785), (205, 152628), (210, 148994), (230, 136038), (237, 132020), (246, 127190), (276, 113365), (287, 109020), (316, 99015), (322, 97170), (345, 90692), (395, 79212), (410, 76314), (420, 74497), (460, 68019), (474, 66010), (483, 64780), (492, 63595), (553, 56580), (574, 54510), (615, 50876), (644, 48585), (690, 45346), (790, 39606), (805, 38868), (820, 38157), (861, 36340), (943, 33180), (948, 33005), (966, 32390), (1106, 28290), (1148, 27255), (1185, 26404), (1230, 25438), (1380, 22673), (1435, 21804), (1580, 19803), (1610, 19434), (1659, 18860), (1722, 18170), (1817, 17220), (1886, 16590), (1932, 16195), (2212, 14145), (2370, 13202), (2415, 12956), (2460, 12719), (2765, 11316), (2829, 11060), (2870, 10902), (3220, 9717), (3239, 9660), (3318, 9430), (3444, 9085), (3634, 8610), (3772, 8295), (4305, 7268), (4715, 6636), (4740, 6601), (4830, 6478), (5451, 5740), (5530, 5658)]