31815840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:599

約数の個数: 192

約数和(自身を含む): 121492224

約数和(自身を除く): 89676384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 510, 544, 557, 560, 595, 672, 680, 714, 816, 840, 952, 1020, 1114, 1120, 1190, 1360, 1428, 1632, 1671, 1680, 1785, 1904, 2040, 2228, 2380, 2720, 2785, 2856, 3342, 3360, 3570, 3808, 3899, 4080, 4456, 4760, 5570, 5712, 6684, 7140, 7798, 8160, 8355, 8912, 9469, 9520, 11140, 11424, 11697, 13368, 14280, 15596, 16710, 17824, 18938, 19040, 19495, 22280, 23394, 26736, 28407, 28560, 31192, 33420, 37876, 38990, 44560, 46788, 47345, 53472, 56814, 57120, 58485, 62384, 66283, 66840, 75752, 77980, 89120, 93576, 94690, 113628, 116970, 124768, 132566, 133680, 142035, 151504, 155960, 187152, 189380, 198849, 227256, 233940, 265132, 267360, 284070, 303008, 311920, 331415, 374304, 378760, 397698, 454512, 467880, 530264, 568140, 623840, 662830, 757520, 795396, 909024, 935760, 994245, 1060528, 1136280, 1325660, 1515040, 1590792, 1871520, 1988490, 2121056, 2272560, 2651320, 3181584, 3976980, 4545120, 5302640, 6363168, 7953960, 10605280, 15907920, 31815840]

約数ペア:

[(1, 31815840), (2, 15907920), (3, 10605280), (4, 7953960), (5, 6363168), (6, 5302640), (7, 4545120), (8, 3976980), (10, 3181584), (12, 2651320), (14, 2272560), (15, 2121056), (16, 1988490), (17, 1871520), (20, 1590792), (21, 1515040), (24, 1325660), (28, 1136280), (30, 1060528), (32, 994245), (34, 935760), (35, 909024), (40, 795396), (42, 757520), (48, 662830), (51, 623840), (56, 568140), (60, 530264), (68, 467880), (70, 454512), (80, 397698), (84, 378760), (85, 374304), (96, 331415), (102, 311920), (105, 303008), (112, 284070), (119, 267360), (120, 265132), (136, 233940), (140, 227256), (160, 198849), (168, 189380), (170, 187152), (204, 155960), (210, 151504), (224, 142035), (238, 133680), (240, 132566), (255, 124768), (272, 116970), (280, 113628), (336, 94690), (340, 93576), (357, 89120), (408, 77980), (420, 75752), (476, 66840), (480, 66283), (510, 62384), (544, 58485), (557, 57120), (560, 56814), (595, 53472), (672, 47345), (680, 46788), (714, 44560), (816, 38990), (840, 37876), (952, 33420), (1020, 31192), (1114, 28560), (1120, 28407), (1190, 26736), (1360, 23394), (1428, 22280), (1632, 19495), (1671, 19040), (1680, 18938), (1785, 17824), (1904, 16710), (2040, 15596), (2228, 14280), (2380, 13368), (2720, 11697), (2785, 11424), (2856, 11140), (3342, 9520), (3360, 9469), (3570, 8912), (3808, 8355), (3899, 8160), (4080, 7798), (4456, 7140), (4760, 6684), (5570, 5712)]