30687720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:352

約数の個数: 192

約数和(自身を含む): 113762880

約数和(自身を除く): 83075160

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, 49, 51, 56, 60, 68, 70, 84, 85, 98, 102, 105, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 245, 255, 280, 294, 307, 340, 357, 392, 408, 420, 476, 490, 510, 588, 595, 614, 680, 714, 735, 833, 840, 921, 952, 980, 1020, 1176, 1190, 1228, 1428, 1470, 1535, 1666, 1785, 1842, 1960, 2040, 2149, 2380, 2456, 2499, 2856, 2940, 3070, 3332, 3570, 3684, 4165, 4298, 4605, 4760, 4998, 5219, 5880, 6140, 6447, 6664, 7140, 7368, 8330, 8596, 9210, 9996, 10438, 10745, 12280, 12495, 12894, 14280, 15043, 15657, 16660, 17192, 18420, 19992, 20876, 21490, 24990, 25788, 26095, 30086, 31314, 32235, 33320, 36533, 36840, 41752, 42980, 45129, 49980, 51576, 52190, 60172, 62628, 64470, 73066, 75215, 78285, 85960, 90258, 99960, 104380, 109599, 120344, 125256, 128940, 146132, 150430, 156570, 180516, 182665, 208760, 219198, 225645, 255731, 257880, 292264, 300860, 313140, 361032, 365330, 438396, 451290, 511462, 547995, 601720, 626280, 730660, 767193, 876792, 902580, 1022924, 1095990, 1278655, 1461320, 1534386, 1805160, 2045848, 2191980, 2557310, 3068772, 3835965, 4383960, 5114620, 6137544, 7671930, 10229240, 15343860, 30687720]

約数ペア:

[(1, 30687720), (2, 15343860), (3, 10229240), (4, 7671930), (5, 6137544), (6, 5114620), (7, 4383960), (8, 3835965), (10, 3068772), (12, 2557310), (14, 2191980), (15, 2045848), (17, 1805160), (20, 1534386), (21, 1461320), (24, 1278655), (28, 1095990), (30, 1022924), (34, 902580), (35, 876792), (40, 767193), (42, 730660), (49, 626280), (51, 601720), (56, 547995), (60, 511462), (68, 451290), (70, 438396), (84, 365330), (85, 361032), (98, 313140), (102, 300860), (105, 292264), (119, 257880), (120, 255731), (136, 225645), (140, 219198), (147, 208760), (168, 182665), (170, 180516), (196, 156570), (204, 150430), (210, 146132), (238, 128940), (245, 125256), (255, 120344), (280, 109599), (294, 104380), (307, 99960), (340, 90258), (357, 85960), (392, 78285), (408, 75215), (420, 73066), (476, 64470), (490, 62628), (510, 60172), (588, 52190), (595, 51576), (614, 49980), (680, 45129), (714, 42980), (735, 41752), (833, 36840), (840, 36533), (921, 33320), (952, 32235), (980, 31314), (1020, 30086), (1176, 26095), (1190, 25788), (1228, 24990), (1428, 21490), (1470, 20876), (1535, 19992), (1666, 18420), (1785, 17192), (1842, 16660), (1960, 15657), (2040, 15043), (2149, 14280), (2380, 12894), (2456, 12495), (2499, 12280), (2856, 10745), (2940, 10438), (3070, 9996), (3332, 9210), (3570, 8596), (3684, 8330), (4165, 7368), (4298, 7140), (4605, 6664), (4760, 6447), (4998, 6140), (5219, 5880)]