211127280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1424

約数の個数: 240

約数和(自身を含む): 820509984

約数和(自身を除く): 609382704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 910, 980, 1040, 1092, 1176, 1274, 1365, 1381, 1456, 1470, 1560, 1680, 1820, 1911, 1960, 2184, 2352, 2548, 2730, 2762, 2940, 3120, 3185, 3640, 3822, 3920, 4143, 4368, 5096, 5460, 5524, 5880, 6370, 6905, 7280, 7644, 8286, 9555, 9667, 10192, 10920, 11048, 11760, 12740, 13810, 15288, 16572, 17953, 19110, 19334, 20715, 21840, 22096, 25480, 27620, 29001, 30576, 33144, 35906, 38220, 38668, 41430, 48335, 50960, 53859, 55240, 58002, 66288, 67669, 71812, 76440, 77336, 82860, 89765, 96670, 107718, 110480, 116004, 125671, 135338, 143624, 145005, 152880, 154672, 165720, 179530, 193340, 203007, 215436, 232008, 251342, 269295, 270676, 287248, 290010, 331440, 338345, 359060, 377013, 386680, 406014, 430872, 464016, 502684, 538590, 541352, 580020, 628355, 676690, 718120, 754026, 773360, 812028, 861744, 879697, 1005368, 1015035, 1077180, 1082704, 1160040, 1256710, 1353380, 1436240, 1508052, 1624056, 1759394, 1885065, 2010736, 2030070, 2154360, 2320080, 2513420, 2639091, 2706760, 3016104, 3248112, 3518788, 3770130, 4060140, 4308720, 4398485, 5026840, 5278182, 5413520, 6032208, 7037576, 7540260, 8120280, 8796970, 10053680, 10556364, 13195455, 14075152, 15080520, 16240560, 17593940, 21112728, 26390910, 30161040, 35187880, 42225456, 52781820, 70375760, 105563640, 211127280]

約数ペア:

[(1, 211127280), (2, 105563640), (3, 70375760), (4, 52781820), (5, 42225456), (6, 35187880), (7, 30161040), (8, 26390910), (10, 21112728), (12, 17593940), (13, 16240560), (14, 15080520), (15, 14075152), (16, 13195455), (20, 10556364), (21, 10053680), (24, 8796970), (26, 8120280), (28, 7540260), (30, 7037576), (35, 6032208), (39, 5413520), (40, 5278182), (42, 5026840), (48, 4398485), (49, 4308720), (52, 4060140), (56, 3770130), (60, 3518788), (65, 3248112), (70, 3016104), (78, 2706760), (80, 2639091), (84, 2513420), (91, 2320080), (98, 2154360), (104, 2030070), (105, 2010736), (112, 1885065), (120, 1759394), (130, 1624056), (140, 1508052), (147, 1436240), (156, 1353380), (168, 1256710), (182, 1160040), (195, 1082704), (196, 1077180), (208, 1015035), (210, 1005368), (240, 879697), (245, 861744), (260, 812028), (273, 773360), (280, 754026), (294, 718120), (312, 676690), (336, 628355), (364, 580020), (390, 541352), (392, 538590), (420, 502684), (455, 464016), (490, 430872), (520, 406014), (546, 386680), (560, 377013), (588, 359060), (624, 338345), (637, 331440), (728, 290010), (735, 287248), (780, 270676), (784, 269295), (840, 251342), (910, 232008), (980, 215436), (1040, 203007), (1092, 193340), (1176, 179530), (1274, 165720), (1365, 154672), (1381, 152880), (1456, 145005), (1470, 143624), (1560, 135338), (1680, 125671), (1820, 116004), (1911, 110480), (1960, 107718), (2184, 96670), (2352, 89765), (2548, 82860), (2730, 77336), (2762, 76440), (2940, 71812), (3120, 67669), (3185, 66288), (3640, 58002), (3822, 55240), (3920, 53859), (4143, 50960), (4368, 48335), (5096, 41430), (5460, 38668), (5524, 38220), (5880, 35906), (6370, 33144), (6905, 30576), (7280, 29001), (7644, 27620), (8286, 25480), (9555, 22096), (9667, 21840), (10192, 20715), (10920, 19334), (11048, 19110), (11760, 17953), (12740, 16572), (13810, 15288)]