210021840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{5953}}^1$

素因数の和:5986

約数の個数: 180

約数和(自身を含む): 820616004

約数和(自身を除く): 610594164

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 5953, 7056, 8820, 11760, 11906, 17640, 17859, 23812, 29765, 35280, 35718, 41671, 47624, 53577, 59530, 71436, 83342, 89295, 95248, 107154, 119060, 125013, 142872, 166684, 178590, 208355, 214308, 238120, 250026, 267885, 285744, 291697, 333368, 357180, 375039, 416710, 428616, 476240, 500052, 535770, 583394, 625065, 666736, 714360, 750078, 833420, 857232, 875091, 1000104, 1071540, 1166788, 1250130, 1428720, 1458485, 1500156, 1666840, 1750182, 1875195, 2000208, 2143080, 2333576, 2500260, 2625273, 2916970, 3000312, 3333680, 3500364, 3750390, 4286160, 4375455, 4667152, 5000520, 5250546, 5833940, 6000624, 7000728, 7500780, 8750910, 10001040, 10501092, 11667880, 13126365, 14001456, 15001560, 17501820, 21002184, 23335760, 26252730, 30003120, 35003640, 42004368, 52505460, 70007280, 105010920, 210021840]

約数ペア:

[(1, 210021840), (2, 105010920), (3, 70007280), (4, 52505460), (5, 42004368), (6, 35003640), (7, 30003120), (8, 26252730), (9, 23335760), (10, 21002184), (12, 17501820), (14, 15001560), (15, 14001456), (16, 13126365), (18, 11667880), (20, 10501092), (21, 10001040), (24, 8750910), (28, 7500780), (30, 7000728), (35, 6000624), (36, 5833940), (40, 5250546), (42, 5000520), (45, 4667152), (48, 4375455), (49, 4286160), (56, 3750390), (60, 3500364), (63, 3333680), (70, 3000312), (72, 2916970), (80, 2625273), (84, 2500260), (90, 2333576), (98, 2143080), (105, 2000208), (112, 1875195), (120, 1750182), (126, 1666840), (140, 1500156), (144, 1458485), (147, 1428720), (168, 1250130), (180, 1166788), (196, 1071540), (210, 1000104), (240, 875091), (245, 857232), (252, 833420), (280, 750078), (294, 714360), (315, 666736), (336, 625065), (360, 583394), (392, 535770), (420, 500052), (441, 476240), (490, 428616), (504, 416710), (560, 375039), (588, 357180), (630, 333368), (720, 291697), (735, 285744), (784, 267885), (840, 250026), (882, 238120), (980, 214308), (1008, 208355), (1176, 178590), (1260, 166684), (1470, 142872), (1680, 125013), (1764, 119060), (1960, 107154), (2205, 95248), (2352, 89295), (2520, 83342), (2940, 71436), (3528, 59530), (3920, 53577), (4410, 47624), (5040, 41671), (5880, 35718), (5953, 35280), (7056, 29765), (8820, 23812), (11760, 17859), (11906, 17640)]