31804080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1$

素因数の和:1755

約数の個数: 160

約数和(自身を含む): 122992128

約数和(自身を除く): 91188048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1540, 1680, 1721, 1848, 2310, 2640, 3080, 3442, 3696, 4620, 5163, 6160, 6884, 8605, 9240, 10326, 12047, 13768, 17210, 18480, 18931, 20652, 24094, 25815, 27536, 34420, 36141, 37862, 41304, 48188, 51630, 56793, 60235, 68840, 72282, 75724, 82608, 94655, 96376, 103260, 113586, 120470, 132517, 137680, 144564, 151448, 180705, 189310, 192752, 206520, 227172, 240940, 265034, 283965, 289128, 302896, 361410, 378620, 397551, 413040, 454344, 481880, 530068, 567930, 578256, 662585, 722820, 757240, 795102, 908688, 963760, 1060136, 1135860, 1325170, 1445640, 1514480, 1590204, 1987755, 2120272, 2271720, 2650340, 2891280, 3180408, 3975510, 4543440, 5300680, 6360816, 7951020, 10601360, 15902040, 31804080]

約数ペア:

[(1, 31804080), (2, 15902040), (3, 10601360), (4, 7951020), (5, 6360816), (6, 5300680), (7, 4543440), (8, 3975510), (10, 3180408), (11, 2891280), (12, 2650340), (14, 2271720), (15, 2120272), (16, 1987755), (20, 1590204), (21, 1514480), (22, 1445640), (24, 1325170), (28, 1135860), (30, 1060136), (33, 963760), (35, 908688), (40, 795102), (42, 757240), (44, 722820), (48, 662585), (55, 578256), (56, 567930), (60, 530068), (66, 481880), (70, 454344), (77, 413040), (80, 397551), (84, 378620), (88, 361410), (105, 302896), (110, 289128), (112, 283965), (120, 265034), (132, 240940), (140, 227172), (154, 206520), (165, 192752), (168, 189310), (176, 180705), (210, 151448), (220, 144564), (231, 137680), (240, 132517), (264, 120470), (280, 113586), (308, 103260), (330, 96376), (336, 94655), (385, 82608), (420, 75724), (440, 72282), (462, 68840), (528, 60235), (560, 56793), (616, 51630), (660, 48188), (770, 41304), (840, 37862), (880, 36141), (924, 34420), (1155, 27536), (1232, 25815), (1320, 24094), (1540, 20652), (1680, 18931), (1721, 18480), (1848, 17210), (2310, 13768), (2640, 12047), (3080, 10326), (3442, 9240), (3696, 8605), (4620, 6884), (5163, 6160)]