78251880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4903}}^1$

素因数の和:4943

約数の個数: 128

約数和(自身を含む): 282470400

約数和(自身を除く): 204218520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 4903, 5320, 7980, 9806, 14709, 15960, 19612, 24515, 29418, 34321, 39224, 49030, 58836, 68642, 73545, 93157, 98060, 102963, 117672, 137284, 147090, 171605, 186314, 196120, 205926, 274568, 279471, 294180, 343210, 372628, 411852, 465785, 514815, 558942, 588360, 652099, 686420, 745256, 823704, 931570, 1029630, 1117884, 1304198, 1372840, 1397355, 1863140, 1956297, 2059260, 2235768, 2608396, 2794710, 3260495, 3726280, 3912594, 4118520, 5216792, 5589420, 6520990, 7825188, 9781485, 11178840, 13041980, 15650376, 19562970, 26083960, 39125940, 78251880]

約数ペア:

[(1, 78251880), (2, 39125940), (3, 26083960), (4, 19562970), (5, 15650376), (6, 13041980), (7, 11178840), (8, 9781485), (10, 7825188), (12, 6520990), (14, 5589420), (15, 5216792), (19, 4118520), (20, 3912594), (21, 3726280), (24, 3260495), (28, 2794710), (30, 2608396), (35, 2235768), (38, 2059260), (40, 1956297), (42, 1863140), (56, 1397355), (57, 1372840), (60, 1304198), (70, 1117884), (76, 1029630), (84, 931570), (95, 823704), (105, 745256), (114, 686420), (120, 652099), (133, 588360), (140, 558942), (152, 514815), (168, 465785), (190, 411852), (210, 372628), (228, 343210), (266, 294180), (280, 279471), (285, 274568), (380, 205926), (399, 196120), (420, 186314), (456, 171605), (532, 147090), (570, 137284), (665, 117672), (760, 102963), (798, 98060), (840, 93157), (1064, 73545), (1140, 68642), (1330, 58836), (1596, 49030), (1995, 39224), (2280, 34321), (2660, 29418), (3192, 24515), (3990, 19612), (4903, 15960), (5320, 14709), (7980, 9806)]