7997880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 26853120

約数和(自身を除く): 18855240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 73, 83, 88, 110, 120, 132, 146, 165, 166, 219, 220, 249, 264, 292, 330, 332, 365, 415, 438, 440, 498, 584, 660, 664, 730, 803, 830, 876, 913, 996, 1095, 1245, 1320, 1460, 1606, 1660, 1752, 1826, 1992, 2190, 2409, 2490, 2739, 2920, 3212, 3320, 3652, 4015, 4380, 4565, 4818, 4980, 5478, 6059, 6424, 7304, 8030, 8760, 9130, 9636, 9960, 10956, 12045, 12118, 13695, 16060, 18177, 18260, 19272, 21912, 24090, 24236, 27390, 30295, 32120, 36354, 36520, 48180, 48472, 54780, 60590, 66649, 72708, 90885, 96360, 109560, 121180, 133298, 145416, 181770, 199947, 242360, 266596, 333245, 363540, 399894, 533192, 666490, 727080, 799788, 999735, 1332980, 1599576, 1999470, 2665960, 3998940, 7997880]

約数ペア:

[(1, 7997880), (2, 3998940), (3, 2665960), (4, 1999470), (5, 1599576), (6, 1332980), (8, 999735), (10, 799788), (11, 727080), (12, 666490), (15, 533192), (20, 399894), (22, 363540), (24, 333245), (30, 266596), (33, 242360), (40, 199947), (44, 181770), (55, 145416), (60, 133298), (66, 121180), (73, 109560), (83, 96360), (88, 90885), (110, 72708), (120, 66649), (132, 60590), (146, 54780), (165, 48472), (166, 48180), (219, 36520), (220, 36354), (249, 32120), (264, 30295), (292, 27390), (330, 24236), (332, 24090), (365, 21912), (415, 19272), (438, 18260), (440, 18177), (498, 16060), (584, 13695), (660, 12118), (664, 12045), (730, 10956), (803, 9960), (830, 9636), (876, 9130), (913, 8760), (996, 8030), (1095, 7304), (1245, 6424), (1320, 6059), (1460, 5478), (1606, 4980), (1660, 4818), (1752, 4565), (1826, 4380), (1992, 4015), (2190, 3652), (2409, 3320), (2490, 3212), (2739, 2920)]