9991912960

素因数分解:

$2^9\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:644

約数の個数: 160

約数和(自身を含む): 24534715392

約数和(自身を除く): 14542802432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 127, 128, 146, 160, 254, 256, 292, 320, 365, 421, 508, 512, 584, 635, 640, 730, 842, 1016, 1168, 1270, 1280, 1460, 1684, 2032, 2105, 2336, 2540, 2560, 2920, 3368, 4064, 4210, 4672, 5080, 5840, 6736, 8128, 8420, 9271, 9344, 10160, 11680, 13472, 16256, 16840, 18542, 18688, 20320, 23360, 26944, 30733, 32512, 33680, 37084, 37376, 40640, 46355, 46720, 53467, 53888, 61466, 65024, 67360, 74168, 81280, 92710, 93440, 106934, 107776, 122932, 134720, 148336, 153665, 162560, 185420, 186880, 213868, 215552, 245864, 267335, 269440, 296672, 307330, 325120, 370840, 427736, 491728, 534670, 538880, 593344, 614660, 741680, 855472, 983456, 1069340, 1077760, 1186688, 1229320, 1483360, 1710944, 1966912, 2138680, 2373376, 2458640, 2966720, 3421888, 3903091, 3933824, 4277360, 4746752, 4917280, 5933440, 6843776, 7806182, 7867648, 8554720, 9834560, 11866880, 13687552, 15612364, 15735296, 17109440, 19515455, 19669120, 23733760, 27375104, 31224728, 34218880, 39030910, 39338240, 62449456, 68437760, 78061820, 78676480, 124898912, 136875520, 156123640, 249797824, 312247280, 499595648, 624494560, 999191296, 1248989120, 1998382592, 2497978240, 4995956480, 9991912960]

約数ペア:

[(1, 9991912960), (2, 4995956480), (4, 2497978240), (5, 1998382592), (8, 1248989120), (10, 999191296), (16, 624494560), (20, 499595648), (32, 312247280), (40, 249797824), (64, 156123640), (73, 136875520), (80, 124898912), (127, 78676480), (128, 78061820), (146, 68437760), (160, 62449456), (254, 39338240), (256, 39030910), (292, 34218880), (320, 31224728), (365, 27375104), (421, 23733760), (508, 19669120), (512, 19515455), (584, 17109440), (635, 15735296), (640, 15612364), (730, 13687552), (842, 11866880), (1016, 9834560), (1168, 8554720), (1270, 7867648), (1280, 7806182), (1460, 6843776), (1684, 5933440), (2032, 4917280), (2105, 4746752), (2336, 4277360), (2540, 3933824), (2560, 3903091), (2920, 3421888), (3368, 2966720), (4064, 2458640), (4210, 2373376), (4672, 2138680), (5080, 1966912), (5840, 1710944), (6736, 1483360), (8128, 1229320), (8420, 1186688), (9271, 1077760), (9344, 1069340), (10160, 983456), (11680, 855472), (13472, 741680), (16256, 614660), (16840, 593344), (18542, 538880), (18688, 534670), (20320, 491728), (23360, 427736), (26944, 370840), (30733, 325120), (32512, 307330), (33680, 296672), (37084, 269440), (37376, 267335), (40640, 245864), (46355, 215552), (46720, 213868), (53467, 186880), (53888, 185420), (61466, 162560), (65024, 153665), (67360, 148336), (74168, 134720), (81280, 122932), (92710, 107776), (93440, 106934)]