127980440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 342835200

約数和(自身を除く): 214854760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 61, 70, 118, 122, 127, 140, 236, 244, 254, 280, 295, 305, 413, 427, 472, 488, 508, 590, 610, 635, 826, 854, 889, 1016, 1180, 1220, 1270, 1652, 1708, 1778, 2065, 2135, 2360, 2440, 2540, 3304, 3416, 3556, 3599, 4130, 4270, 4445, 5080, 7112, 7198, 7493, 7747, 8260, 8540, 8890, 14396, 14986, 15494, 16520, 17080, 17780, 17995, 25193, 28792, 29972, 30988, 35560, 35990, 37465, 38735, 50386, 52451, 54229, 59944, 61976, 71980, 74930, 77470, 100772, 104902, 108458, 125965, 143960, 149860, 154940, 201544, 209804, 216916, 251930, 262255, 271145, 299720, 309880, 419608, 433832, 457073, 503860, 524510, 542290, 914146, 1007720, 1049020, 1084580, 1828292, 2098040, 2169160, 2285365, 3199511, 3656584, 4570730, 6399022, 9141460, 12798044, 15997555, 18282920, 25596088, 31995110, 63990220, 127980440]

約数ペア:

[(1, 127980440), (2, 63990220), (4, 31995110), (5, 25596088), (7, 18282920), (8, 15997555), (10, 12798044), (14, 9141460), (20, 6399022), (28, 4570730), (35, 3656584), (40, 3199511), (56, 2285365), (59, 2169160), (61, 2098040), (70, 1828292), (118, 1084580), (122, 1049020), (127, 1007720), (140, 914146), (236, 542290), (244, 524510), (254, 503860), (280, 457073), (295, 433832), (305, 419608), (413, 309880), (427, 299720), (472, 271145), (488, 262255), (508, 251930), (590, 216916), (610, 209804), (635, 201544), (826, 154940), (854, 149860), (889, 143960), (1016, 125965), (1180, 108458), (1220, 104902), (1270, 100772), (1652, 77470), (1708, 74930), (1778, 71980), (2065, 61976), (2135, 59944), (2360, 54229), (2440, 52451), (2540, 50386), (3304, 38735), (3416, 37465), (3556, 35990), (3599, 35560), (4130, 30988), (4270, 29972), (4445, 28792), (5080, 25193), (7112, 17995), (7198, 17780), (7493, 17080), (7747, 16520), (8260, 15494), (8540, 14986), (8890, 14396)]