189465720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3613}}^1$

素因数の和:3669

約数の個数: 128

約数和(自身を含む): 624499200

約数和(自身を除く): 435033480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2622, 2760, 3496, 3613, 4370, 5244, 6555, 7226, 8740, 10488, 10839, 13110, 14452, 17480, 18065, 21678, 26220, 28904, 36130, 43356, 52440, 54195, 68647, 72260, 83099, 86712, 108390, 137294, 144520, 166198, 205941, 216780, 249297, 274588, 332396, 343235, 411882, 415495, 433560, 498594, 549176, 664792, 686470, 823764, 830990, 997188, 1029705, 1246485, 1372940, 1578881, 1647528, 1661980, 1994376, 2059410, 2492970, 2745880, 3157762, 3323960, 4118820, 4736643, 4985940, 6315524, 7894405, 8237640, 9473286, 9971880, 12631048, 15788810, 18946572, 23683215, 31577620, 37893144, 47366430, 63155240, 94732860, 189465720]

約数ペア:

[(1, 189465720), (2, 94732860), (3, 63155240), (4, 47366430), (5, 37893144), (6, 31577620), (8, 23683215), (10, 18946572), (12, 15788810), (15, 12631048), (19, 9971880), (20, 9473286), (23, 8237640), (24, 7894405), (30, 6315524), (38, 4985940), (40, 4736643), (46, 4118820), (57, 3323960), (60, 3157762), (69, 2745880), (76, 2492970), (92, 2059410), (95, 1994376), (114, 1661980), (115, 1647528), (120, 1578881), (138, 1372940), (152, 1246485), (184, 1029705), (190, 997188), (228, 830990), (230, 823764), (276, 686470), (285, 664792), (345, 549176), (380, 498594), (437, 433560), (456, 415495), (460, 411882), (552, 343235), (570, 332396), (690, 274588), (760, 249297), (874, 216780), (920, 205941), (1140, 166198), (1311, 144520), (1380, 137294), (1748, 108390), (2185, 86712), (2280, 83099), (2622, 72260), (2760, 68647), (3496, 54195), (3613, 52440), (4370, 43356), (5244, 36130), (6555, 28904), (7226, 26220), (8740, 21678), (10488, 18065), (10839, 17480), (13110, 14452)]