31991520

素因数分解:

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

素因数の和:185

約数の個数: 192

約数和(自身を含む): 112783104

約数和(自身を除く): 80791584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 73, 80, 83, 88, 96, 110, 120, 132, 146, 160, 165, 166, 176, 219, 220, 240, 249, 264, 292, 330, 332, 352, 365, 415, 438, 440, 480, 498, 528, 584, 660, 664, 730, 803, 830, 876, 880, 913, 996, 1056, 1095, 1168, 1245, 1320, 1328, 1460, 1606, 1660, 1752, 1760, 1826, 1992, 2190, 2336, 2409, 2490, 2640, 2656, 2739, 2920, 3212, 3320, 3504, 3652, 3984, 4015, 4380, 4565, 4818, 4980, 5280, 5478, 5840, 6059, 6424, 6640, 7008, 7304, 7968, 8030, 8760, 9130, 9636, 9960, 10956, 11680, 12045, 12118, 12848, 13280, 13695, 14608, 16060, 17520, 18177, 18260, 19272, 19920, 21912, 24090, 24236, 25696, 27390, 29216, 30295, 32120, 35040, 36354, 36520, 38544, 39840, 43824, 48180, 48472, 54780, 60590, 64240, 66649, 72708, 73040, 77088, 87648, 90885, 96360, 96944, 109560, 121180, 128480, 133298, 145416, 146080, 181770, 192720, 193888, 199947, 219120, 242360, 266596, 290832, 333245, 363540, 385440, 399894, 438240, 484720, 533192, 581664, 666490, 727080, 799788, 969440, 999735, 1066384, 1332980, 1454160, 1599576, 1999470, 2132768, 2665960, 2908320, 3199152, 3998940, 5331920, 6398304, 7997880, 10663840, 15995760, 31991520]

約数ペア:

[(1, 31991520), (2, 15995760), (3, 10663840), (4, 7997880), (5, 6398304), (6, 5331920), (8, 3998940), (10, 3199152), (11, 2908320), (12, 2665960), (15, 2132768), (16, 1999470), (20, 1599576), (22, 1454160), (24, 1332980), (30, 1066384), (32, 999735), (33, 969440), (40, 799788), (44, 727080), (48, 666490), (55, 581664), (60, 533192), (66, 484720), (73, 438240), (80, 399894), (83, 385440), (88, 363540), (96, 333245), (110, 290832), (120, 266596), (132, 242360), (146, 219120), (160, 199947), (165, 193888), (166, 192720), (176, 181770), (219, 146080), (220, 145416), (240, 133298), (249, 128480), (264, 121180), (292, 109560), (330, 96944), (332, 96360), (352, 90885), (365, 87648), (415, 77088), (438, 73040), (440, 72708), (480, 66649), (498, 64240), (528, 60590), (584, 54780), (660, 48472), (664, 48180), (730, 43824), (803, 39840), (830, 38544), (876, 36520), (880, 36354), (913, 35040), (996, 32120), (1056, 30295), (1095, 29216), (1168, 27390), (1245, 25696), (1320, 24236), (1328, 24090), (1460, 21912), (1606, 19920), (1660, 19272), (1752, 18260), (1760, 18177), (1826, 17520), (1992, 16060), (2190, 14608), (2336, 13695), (2409, 13280), (2490, 12848), (2640, 12118), (2656, 12045), (2739, 11680), (2920, 10956), (3212, 9960), (3320, 9636), (3504, 9130), (3652, 8760), (3984, 8030), (4015, 7968), (4380, 7304), (4565, 7008), (4818, 6640), (4980, 6424), (5280, 6059), (5478, 5840)]