31381728

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 103638528

約数和(自身を除く): 72256800

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 41, 42, 48, 51, 56, 67, 68, 82, 84, 96, 102, 112, 119, 123, 134, 136, 164, 168, 201, 204, 224, 238, 246, 268, 272, 287, 328, 336, 357, 402, 408, 469, 476, 492, 536, 544, 574, 656, 672, 697, 714, 804, 816, 861, 938, 952, 984, 1072, 1139, 1148, 1312, 1394, 1407, 1428, 1608, 1632, 1722, 1876, 1904, 1968, 2091, 2144, 2278, 2296, 2747, 2788, 2814, 2856, 3216, 3417, 3444, 3752, 3808, 3936, 4182, 4556, 4592, 4879, 5494, 5576, 5628, 5712, 6432, 6834, 6888, 7504, 7973, 8241, 8364, 9112, 9184, 9758, 10988, 11152, 11256, 11424, 13668, 13776, 14637, 15008, 15946, 16482, 16728, 18224, 19229, 19516, 21976, 22304, 22512, 23919, 27336, 27552, 29274, 31892, 32964, 33456, 36448, 38458, 39032, 43952, 45024, 46699, 47838, 54672, 57687, 58548, 63784, 65928, 66912, 76916, 78064, 87904, 93398, 95676, 109344, 115374, 117096, 127568, 131856, 140097, 153832, 156128, 186796, 191352, 230748, 234192, 255136, 263712, 280194, 307664, 326893, 373592, 382704, 461496, 468384, 560388, 615328, 653786, 747184, 765408, 922992, 980679, 1120776, 1307572, 1494368, 1845984, 1961358, 2241552, 2615144, 3922716, 4483104, 5230288, 7845432, 10460576, 15690864, 31381728]

約数ペア:

[(1, 31381728), (2, 15690864), (3, 10460576), (4, 7845432), (6, 5230288), (7, 4483104), (8, 3922716), (12, 2615144), (14, 2241552), (16, 1961358), (17, 1845984), (21, 1494368), (24, 1307572), (28, 1120776), (32, 980679), (34, 922992), (41, 765408), (42, 747184), (48, 653786), (51, 615328), (56, 560388), (67, 468384), (68, 461496), (82, 382704), (84, 373592), (96, 326893), (102, 307664), (112, 280194), (119, 263712), (123, 255136), (134, 234192), (136, 230748), (164, 191352), (168, 186796), (201, 156128), (204, 153832), (224, 140097), (238, 131856), (246, 127568), (268, 117096), (272, 115374), (287, 109344), (328, 95676), (336, 93398), (357, 87904), (402, 78064), (408, 76916), (469, 66912), (476, 65928), (492, 63784), (536, 58548), (544, 57687), (574, 54672), (656, 47838), (672, 46699), (697, 45024), (714, 43952), (804, 39032), (816, 38458), (861, 36448), (938, 33456), (952, 32964), (984, 31892), (1072, 29274), (1139, 27552), (1148, 27336), (1312, 23919), (1394, 22512), (1407, 22304), (1428, 21976), (1608, 19516), (1632, 19229), (1722, 18224), (1876, 16728), (1904, 16482), (1968, 15946), (2091, 15008), (2144, 14637), (2278, 13776), (2296, 13668), (2747, 11424), (2788, 11256), (2814, 11152), (2856, 10988), (3216, 9758), (3417, 9184), (3444, 9112), (3752, 8364), (3808, 8241), (3936, 7973), (4182, 7504), (4556, 6888), (4592, 6834), (4879, 6432), (5494, 5712), (5576, 5628)]