261643680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 288

約数和(自身を含む): 959999040

約数和(自身を除く): 698355360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 73, 76, 80, 90, 95, 96, 114, 120, 131, 144, 146, 152, 160, 171, 180, 190, 219, 228, 240, 262, 285, 288, 292, 304, 342, 360, 365, 380, 393, 438, 456, 480, 524, 570, 584, 608, 655, 657, 684, 720, 730, 760, 786, 855, 876, 912, 1048, 1095, 1140, 1168, 1179, 1310, 1314, 1368, 1387, 1440, 1460, 1520, 1572, 1710, 1752, 1824, 1965, 2096, 2190, 2280, 2336, 2358, 2489, 2620, 2628, 2736, 2774, 2920, 3040, 3144, 3285, 3420, 3504, 3930, 4161, 4192, 4380, 4560, 4716, 4978, 5240, 5256, 5472, 5548, 5840, 5895, 6288, 6570, 6840, 6935, 7008, 7467, 7860, 8322, 8760, 9120, 9432, 9563, 9956, 10480, 10512, 11096, 11680, 11790, 12445, 12483, 12576, 13140, 13680, 13870, 14934, 15720, 16644, 17520, 18864, 19126, 19912, 20805, 20960, 21024, 22192, 22401, 23580, 24890, 24966, 26280, 27360, 27740, 28689, 29868, 31440, 33288, 35040, 37335, 37728, 38252, 39824, 41610, 44384, 44802, 47160, 47815, 49780, 49932, 52560, 55480, 57378, 59736, 62415, 62880, 66576, 74670, 76504, 79648, 83220, 86067, 89604, 94320, 95630, 99560, 99864, 105120, 110960, 112005, 114756, 119472, 124830, 133152, 143445, 149340, 153008, 166440, 172134, 179208, 181697, 188640, 191260, 199120, 199728, 221920, 224010, 229512, 238944, 249660, 286890, 298680, 306016, 332880, 344268, 358416, 363394, 382520, 398240, 399456, 430335, 448020, 459024, 499320, 545091, 573780, 597360, 665760, 688536, 716832, 726788, 765040, 860670, 896040, 908485, 918048, 998640, 1090182, 1147560, 1194720, 1377072, 1453576, 1530080, 1635273, 1721340, 1792080, 1816970, 1997280, 2180364, 2295120, 2725455, 2754144, 2907152, 3270546, 3442680, 3584160, 3633940, 4360728, 4590240, 5450910, 5814304, 6541092, 6885360, 7267880, 8176365, 8721456, 10901820, 13082184, 13770720, 14535760, 16352730, 17442912, 21803640, 26164368, 29071520, 32705460, 43607280, 52328736, 65410920, 87214560, 130821840, 261643680]

約数ペア:

[(1, 261643680), (2, 130821840), (3, 87214560), (4, 65410920), (5, 52328736), (6, 43607280), (8, 32705460), (9, 29071520), (10, 26164368), (12, 21803640), (15, 17442912), (16, 16352730), (18, 14535760), (19, 13770720), (20, 13082184), (24, 10901820), (30, 8721456), (32, 8176365), (36, 7267880), (38, 6885360), (40, 6541092), (45, 5814304), (48, 5450910), (57, 4590240), (60, 4360728), (72, 3633940), (73, 3584160), (76, 3442680), (80, 3270546), (90, 2907152), (95, 2754144), (96, 2725455), (114, 2295120), (120, 2180364), (131, 1997280), (144, 1816970), (146, 1792080), (152, 1721340), (160, 1635273), (171, 1530080), (180, 1453576), (190, 1377072), (219, 1194720), (228, 1147560), (240, 1090182), (262, 998640), (285, 918048), (288, 908485), (292, 896040), (304, 860670), (342, 765040), (360, 726788), (365, 716832), (380, 688536), (393, 665760), (438, 597360), (456, 573780), (480, 545091), (524, 499320), (570, 459024), (584, 448020), (608, 430335), (655, 399456), (657, 398240), (684, 382520), (720, 363394), (730, 358416), (760, 344268), (786, 332880), (855, 306016), (876, 298680), (912, 286890), (1048, 249660), (1095, 238944), (1140, 229512), (1168, 224010), (1179, 221920), (1310, 199728), (1314, 199120), (1368, 191260), (1387, 188640), (1440, 181697), (1460, 179208), (1520, 172134), (1572, 166440), (1710, 153008), (1752, 149340), (1824, 143445), (1965, 133152), (2096, 124830), (2190, 119472), (2280, 114756), (2336, 112005), (2358, 110960), (2489, 105120), (2620, 99864), (2628, 99560), (2736, 95630), (2774, 94320), (2920, 89604), (3040, 86067), (3144, 83220), (3285, 79648), (3420, 76504), (3504, 74670), (3930, 66576), (4161, 62880), (4192, 62415), (4380, 59736), (4560, 57378), (4716, 55480), (4978, 52560), (5240, 49932), (5256, 49780), (5472, 47815), (5548, 47160), (5840, 44802), (5895, 44384), (6288, 41610), (6570, 39824), (6840, 38252), (6935, 37728), (7008, 37335), (7467, 35040), (7860, 33288), (8322, 31440), (8760, 29868), (9120, 28689), (9432, 27740), (9563, 27360), (9956, 26280), (10480, 24966), (10512, 24890), (11096, 23580), (11680, 22401), (11790, 22192), (12445, 21024), (12483, 20960), (12576, 20805), (13140, 19912), (13680, 19126), (13870, 18864), (14934, 17520), (15720, 16644)]