69807920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:299

約数の個数: 160

約数和(自身を含む): 205320192

約数和(自身を除く): 135512272

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 80, 86, 91, 104, 112, 130, 140, 172, 182, 208, 215, 223, 260, 280, 301, 344, 364, 430, 446, 455, 520, 559, 560, 602, 688, 728, 860, 892, 910, 1040, 1115, 1118, 1204, 1456, 1505, 1561, 1720, 1784, 1820, 2230, 2236, 2408, 2795, 2899, 3010, 3122, 3440, 3568, 3640, 3913, 4460, 4472, 4816, 5590, 5798, 6020, 6244, 7280, 7805, 7826, 8920, 8944, 9589, 11180, 11596, 12040, 12488, 14495, 15610, 15652, 17840, 19178, 19565, 20293, 22360, 23192, 24080, 24976, 28990, 31220, 31304, 38356, 39130, 40586, 44720, 46384, 47945, 57980, 62440, 62608, 67123, 76712, 78260, 81172, 95890, 101465, 115960, 124657, 124880, 134246, 153424, 156520, 162344, 191780, 202930, 231920, 249314, 268492, 313040, 324688, 335615, 383560, 405860, 498628, 536984, 623285, 671230, 767120, 811720, 872599, 997256, 1073968, 1246570, 1342460, 1623440, 1745198, 1994512, 2493140, 2684920, 3490396, 4362995, 4986280, 5369840, 6980792, 8725990, 9972560, 13961584, 17451980, 34903960, 69807920]

約数ペア:

[(1, 69807920), (2, 34903960), (4, 17451980), (5, 13961584), (7, 9972560), (8, 8725990), (10, 6980792), (13, 5369840), (14, 4986280), (16, 4362995), (20, 3490396), (26, 2684920), (28, 2493140), (35, 1994512), (40, 1745198), (43, 1623440), (52, 1342460), (56, 1246570), (65, 1073968), (70, 997256), (80, 872599), (86, 811720), (91, 767120), (104, 671230), (112, 623285), (130, 536984), (140, 498628), (172, 405860), (182, 383560), (208, 335615), (215, 324688), (223, 313040), (260, 268492), (280, 249314), (301, 231920), (344, 202930), (364, 191780), (430, 162344), (446, 156520), (455, 153424), (520, 134246), (559, 124880), (560, 124657), (602, 115960), (688, 101465), (728, 95890), (860, 81172), (892, 78260), (910, 76712), (1040, 67123), (1115, 62608), (1118, 62440), (1204, 57980), (1456, 47945), (1505, 46384), (1561, 44720), (1720, 40586), (1784, 39130), (1820, 38356), (2230, 31304), (2236, 31220), (2408, 28990), (2795, 24976), (2899, 24080), (3010, 23192), (3122, 22360), (3440, 20293), (3568, 19565), (3640, 19178), (3913, 17840), (4460, 15652), (4472, 15610), (4816, 14495), (5590, 12488), (5798, 12040), (6020, 11596), (6244, 11180), (7280, 9589), (7805, 8944), (7826, 8920)]