61440720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2$

素因数の和:118

約数の個数: 240

約数和(自身を含む): 226110528

約数和(自身を除く): 164669808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 37, 40, 44, 48, 51, 55, 60, 66, 68, 74, 80, 85, 88, 102, 110, 111, 120, 132, 136, 148, 165, 170, 176, 185, 187, 204, 220, 222, 240, 255, 264, 272, 296, 330, 340, 370, 374, 407, 408, 440, 444, 510, 528, 555, 561, 592, 629, 660, 680, 740, 748, 814, 816, 880, 888, 935, 1020, 1110, 1122, 1221, 1258, 1320, 1360, 1369, 1480, 1496, 1628, 1776, 1870, 1887, 2035, 2040, 2220, 2244, 2442, 2516, 2640, 2738, 2805, 2960, 2992, 3145, 3256, 3740, 3774, 4070, 4080, 4107, 4440, 4488, 4884, 5032, 5476, 5610, 6105, 6290, 6512, 6845, 6919, 7480, 7548, 8140, 8214, 8880, 8976, 9435, 9768, 10064, 10952, 11220, 12210, 12580, 13690, 13838, 14960, 15059, 15096, 16280, 16428, 18870, 19536, 20535, 20757, 21904, 22440, 23273, 24420, 25160, 27380, 27676, 30118, 30192, 32560, 32856, 34595, 37740, 41070, 41514, 44880, 45177, 46546, 48840, 50320, 54760, 55352, 60236, 65712, 69190, 69819, 75295, 75480, 82140, 83028, 90354, 93092, 97680, 103785, 109520, 110704, 116365, 120472, 138380, 139638, 150590, 150960, 164280, 166056, 180708, 186184, 207570, 225885, 232730, 240944, 256003, 276760, 279276, 301180, 328560, 332112, 349095, 361416, 372368, 415140, 451770, 465460, 512006, 553520, 558552, 602360, 698190, 722832, 768009, 830280, 903540, 930920, 1024012, 1117104, 1204720, 1280015, 1396380, 1536018, 1660560, 1807080, 1861840, 2048024, 2560030, 2792760, 3072036, 3614160, 3840045, 4096048, 5120060, 5585520, 6144072, 7680090, 10240120, 12288144, 15360180, 20480240, 30720360, 61440720]

約数ペア:

[(1, 61440720), (2, 30720360), (3, 20480240), (4, 15360180), (5, 12288144), (6, 10240120), (8, 7680090), (10, 6144072), (11, 5585520), (12, 5120060), (15, 4096048), (16, 3840045), (17, 3614160), (20, 3072036), (22, 2792760), (24, 2560030), (30, 2048024), (33, 1861840), (34, 1807080), (37, 1660560), (40, 1536018), (44, 1396380), (48, 1280015), (51, 1204720), (55, 1117104), (60, 1024012), (66, 930920), (68, 903540), (74, 830280), (80, 768009), (85, 722832), (88, 698190), (102, 602360), (110, 558552), (111, 553520), (120, 512006), (132, 465460), (136, 451770), (148, 415140), (165, 372368), (170, 361416), (176, 349095), (185, 332112), (187, 328560), (204, 301180), (220, 279276), (222, 276760), (240, 256003), (255, 240944), (264, 232730), (272, 225885), (296, 207570), (330, 186184), (340, 180708), (370, 166056), (374, 164280), (407, 150960), (408, 150590), (440, 139638), (444, 138380), (510, 120472), (528, 116365), (555, 110704), (561, 109520), (592, 103785), (629, 97680), (660, 93092), (680, 90354), (740, 83028), (748, 82140), (814, 75480), (816, 75295), (880, 69819), (888, 69190), (935, 65712), (1020, 60236), (1110, 55352), (1122, 54760), (1221, 50320), (1258, 48840), (1320, 46546), (1360, 45177), (1369, 44880), (1480, 41514), (1496, 41070), (1628, 37740), (1776, 34595), (1870, 32856), (1887, 32560), (2035, 30192), (2040, 30118), (2220, 27676), (2244, 27380), (2442, 25160), (2516, 24420), (2640, 23273), (2738, 22440), (2805, 21904), (2960, 20757), (2992, 20535), (3145, 19536), (3256, 18870), (3740, 16428), (3774, 16280), (4070, 15096), (4080, 15059), (4107, 14960), (4440, 13838), (4488, 13690), (4884, 12580), (5032, 12210), (5476, 11220), (5610, 10952), (6105, 10064), (6290, 9768), (6512, 9435), (6845, 8976), (6919, 8880), (7480, 8214), (7548, 8140)]