31404780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 192

約数和(自身を含む): 113218560

約数和(自身を除く): 81813780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 27, 30, 33, 34, 36, 44, 45, 51, 54, 55, 60, 66, 68, 85, 90, 99, 102, 108, 110, 132, 135, 153, 165, 170, 180, 187, 198, 204, 220, 255, 270, 297, 306, 311, 330, 340, 374, 396, 459, 495, 510, 540, 561, 594, 612, 622, 660, 748, 765, 918, 933, 935, 990, 1020, 1122, 1188, 1244, 1485, 1530, 1555, 1683, 1836, 1866, 1870, 1980, 2244, 2295, 2799, 2805, 2970, 3060, 3110, 3366, 3421, 3732, 3740, 4590, 4665, 5049, 5287, 5598, 5610, 5940, 6220, 6732, 6842, 8397, 8415, 9180, 9330, 10098, 10263, 10574, 11196, 11220, 13684, 13995, 15861, 16794, 16830, 17105, 18660, 20196, 20526, 21148, 25245, 26435, 27990, 30789, 31722, 33588, 33660, 34210, 41052, 41985, 47583, 50490, 51315, 52870, 55980, 58157, 61578, 63444, 68420, 79305, 83970, 92367, 95166, 100980, 102630, 105740, 116314, 123156, 142749, 153945, 158610, 167940, 174471, 184734, 190332, 205260, 232628, 237915, 285498, 290785, 307890, 317220, 348942, 369468, 461835, 475830, 523413, 570996, 581570, 615780, 697884, 713745, 872355, 923670, 951660, 1046826, 1163140, 1427490, 1570239, 1744710, 1847340, 2093652, 2617065, 2854980, 3140478, 3489420, 5234130, 6280956, 7851195, 10468260, 15702390, 31404780]

約数ペア:

[(1, 31404780), (2, 15702390), (3, 10468260), (4, 7851195), (5, 6280956), (6, 5234130), (9, 3489420), (10, 3140478), (11, 2854980), (12, 2617065), (15, 2093652), (17, 1847340), (18, 1744710), (20, 1570239), (22, 1427490), (27, 1163140), (30, 1046826), (33, 951660), (34, 923670), (36, 872355), (44, 713745), (45, 697884), (51, 615780), (54, 581570), (55, 570996), (60, 523413), (66, 475830), (68, 461835), (85, 369468), (90, 348942), (99, 317220), (102, 307890), (108, 290785), (110, 285498), (132, 237915), (135, 232628), (153, 205260), (165, 190332), (170, 184734), (180, 174471), (187, 167940), (198, 158610), (204, 153945), (220, 142749), (255, 123156), (270, 116314), (297, 105740), (306, 102630), (311, 100980), (330, 95166), (340, 92367), (374, 83970), (396, 79305), (459, 68420), (495, 63444), (510, 61578), (540, 58157), (561, 55980), (594, 52870), (612, 51315), (622, 50490), (660, 47583), (748, 41985), (765, 41052), (918, 34210), (933, 33660), (935, 33588), (990, 31722), (1020, 30789), (1122, 27990), (1188, 26435), (1244, 25245), (1485, 21148), (1530, 20526), (1555, 20196), (1683, 18660), (1836, 17105), (1866, 16830), (1870, 16794), (1980, 15861), (2244, 13995), (2295, 13684), (2799, 11220), (2805, 11196), (2970, 10574), (3060, 10263), (3110, 10098), (3366, 9330), (3421, 9180), (3732, 8415), (3740, 8397), (4590, 6842), (4665, 6732), (5049, 6220), (5287, 5940), (5598, 5610)]