27831720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1987

約数の個数: 128

約数和(自身を含む): 101088000

約数和(自身を除く): 73256280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 1949, 2040, 2380, 2856, 3570, 3898, 4760, 5847, 7140, 7796, 9745, 11694, 13643, 14280, 15592, 19490, 23388, 27286, 29235, 33133, 38980, 40929, 46776, 54572, 58470, 66266, 68215, 77960, 81858, 99399, 109144, 116940, 132532, 136430, 163716, 165665, 198798, 204645, 231931, 233880, 265064, 272860, 327432, 331330, 397596, 409290, 463862, 496995, 545720, 662660, 695793, 795192, 818580, 927724, 993990, 1159655, 1325320, 1391586, 1637160, 1855448, 1987980, 2319310, 2783172, 3478965, 3975960, 4638620, 5566344, 6957930, 9277240, 13915860, 27831720]

約数ペア:

[(1, 27831720), (2, 13915860), (3, 9277240), (4, 6957930), (5, 5566344), (6, 4638620), (7, 3975960), (8, 3478965), (10, 2783172), (12, 2319310), (14, 1987980), (15, 1855448), (17, 1637160), (20, 1391586), (21, 1325320), (24, 1159655), (28, 993990), (30, 927724), (34, 818580), (35, 795192), (40, 695793), (42, 662660), (51, 545720), (56, 496995), (60, 463862), (68, 409290), (70, 397596), (84, 331330), (85, 327432), (102, 272860), (105, 265064), (119, 233880), (120, 231931), (136, 204645), (140, 198798), (168, 165665), (170, 163716), (204, 136430), (210, 132532), (238, 116940), (255, 109144), (280, 99399), (340, 81858), (357, 77960), (408, 68215), (420, 66266), (476, 58470), (510, 54572), (595, 46776), (680, 40929), (714, 38980), (840, 33133), (952, 29235), (1020, 27286), (1190, 23388), (1428, 19490), (1785, 15592), (1949, 14280), (2040, 13643), (2380, 11694), (2856, 9745), (3570, 7796), (3898, 7140), (4760, 5847)]