245363720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2713}}^1$

素因数の和:2767

約数の個数: 128

約数和(自身を含む): 703468800

約数和(自身を除く): 458105080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 952, 1064, 1190, 1292, 1330, 1615, 2261, 2380, 2584, 2660, 2713, 3230, 4522, 4760, 5320, 5426, 6460, 9044, 10852, 11305, 12920, 13565, 18088, 18991, 21704, 22610, 27130, 37982, 45220, 46121, 51547, 54260, 75964, 90440, 92242, 94955, 103094, 108520, 151928, 184484, 189910, 206188, 230605, 257735, 322847, 360829, 368968, 379820, 412376, 461210, 515470, 645694, 721658, 759640, 876299, 922420, 1030940, 1291388, 1443316, 1614235, 1752598, 1804145, 1844840, 2061880, 2582776, 2886632, 3228470, 3505196, 3608290, 4381495, 6134093, 6456940, 7010392, 7216580, 8762990, 12268186, 12913880, 14433160, 17525980, 24536372, 30670465, 35051960, 49072744, 61340930, 122681860, 245363720]

約数ペア:

[(1, 245363720), (2, 122681860), (4, 61340930), (5, 49072744), (7, 35051960), (8, 30670465), (10, 24536372), (14, 17525980), (17, 14433160), (19, 12913880), (20, 12268186), (28, 8762990), (34, 7216580), (35, 7010392), (38, 6456940), (40, 6134093), (56, 4381495), (68, 3608290), (70, 3505196), (76, 3228470), (85, 2886632), (95, 2582776), (119, 2061880), (133, 1844840), (136, 1804145), (140, 1752598), (152, 1614235), (170, 1443316), (190, 1291388), (238, 1030940), (266, 922420), (280, 876299), (323, 759640), (340, 721658), (380, 645694), (476, 515470), (532, 461210), (595, 412376), (646, 379820), (665, 368968), (680, 360829), (760, 322847), (952, 257735), (1064, 230605), (1190, 206188), (1292, 189910), (1330, 184484), (1615, 151928), (2261, 108520), (2380, 103094), (2584, 94955), (2660, 92242), (2713, 90440), (3230, 75964), (4522, 54260), (4760, 51547), (5320, 46121), (5426, 45220), (6460, 37982), (9044, 27130), (10852, 22610), (11305, 21704), (12920, 18991), (13565, 18088)]