18478320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:687

約数の個数: 160

約数和(自身を含む): 69424128

約数和(自身を除く): 50945808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 647, 680, 714, 816, 840, 952, 1020, 1190, 1294, 1360, 1428, 1680, 1785, 1904, 1941, 2040, 2380, 2588, 2856, 3235, 3570, 3882, 4080, 4529, 4760, 5176, 5712, 6470, 7140, 7764, 9058, 9520, 9705, 10352, 10999, 12940, 13587, 14280, 15528, 18116, 19410, 21998, 22645, 25880, 27174, 28560, 31056, 32997, 36232, 38820, 43996, 45290, 51760, 54348, 54995, 65994, 67935, 72464, 76993, 77640, 87992, 90580, 108696, 109990, 131988, 135870, 153986, 155280, 164985, 175984, 181160, 217392, 219980, 230979, 263976, 271740, 307972, 329970, 362320, 384965, 439960, 461958, 527952, 543480, 615944, 659940, 769930, 879920, 923916, 1086960, 1154895, 1231888, 1319880, 1539860, 1847832, 2309790, 2639760, 3079720, 3695664, 4619580, 6159440, 9239160, 18478320]

約数ペア:

[(1, 18478320), (2, 9239160), (3, 6159440), (4, 4619580), (5, 3695664), (6, 3079720), (7, 2639760), (8, 2309790), (10, 1847832), (12, 1539860), (14, 1319880), (15, 1231888), (16, 1154895), (17, 1086960), (20, 923916), (21, 879920), (24, 769930), (28, 659940), (30, 615944), (34, 543480), (35, 527952), (40, 461958), (42, 439960), (48, 384965), (51, 362320), (56, 329970), (60, 307972), (68, 271740), (70, 263976), (80, 230979), (84, 219980), (85, 217392), (102, 181160), (105, 175984), (112, 164985), (119, 155280), (120, 153986), (136, 135870), (140, 131988), (168, 109990), (170, 108696), (204, 90580), (210, 87992), (238, 77640), (240, 76993), (255, 72464), (272, 67935), (280, 65994), (336, 54995), (340, 54348), (357, 51760), (408, 45290), (420, 43996), (476, 38820), (510, 36232), (560, 32997), (595, 31056), (647, 28560), (680, 27174), (714, 25880), (816, 22645), (840, 21998), (952, 19410), (1020, 18116), (1190, 15528), (1294, 14280), (1360, 13587), (1428, 12940), (1680, 10999), (1785, 10352), (1904, 9705), (1941, 9520), (2040, 9058), (2380, 7764), (2588, 7140), (2856, 6470), (3235, 5712), (3570, 5176), (3882, 4760), (4080, 4529)]