220801840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 240

約数和(自身を含む): 651386880

約数和(自身を除く): 430585040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 49, 56, 62, 70, 79, 80, 92, 98, 112, 115, 124, 140, 155, 158, 161, 184, 196, 217, 230, 245, 248, 280, 310, 316, 322, 368, 392, 395, 434, 460, 490, 496, 553, 560, 620, 632, 644, 713, 784, 790, 805, 868, 920, 980, 1085, 1106, 1127, 1240, 1264, 1288, 1426, 1519, 1580, 1610, 1736, 1817, 1840, 1960, 2170, 2212, 2254, 2449, 2480, 2576, 2765, 2852, 3038, 3160, 3220, 3472, 3565, 3634, 3871, 3920, 4340, 4424, 4508, 4898, 4991, 5530, 5635, 5704, 6076, 6320, 6440, 7130, 7268, 7595, 7742, 8680, 8848, 9016, 9085, 9796, 9982, 11060, 11270, 11408, 12152, 12245, 12719, 12880, 14260, 14536, 15190, 15484, 17143, 17360, 18032, 18170, 19355, 19592, 19964, 22120, 22540, 24304, 24490, 24955, 25438, 28520, 29072, 30380, 30968, 34286, 34937, 36340, 38710, 39184, 39928, 44240, 45080, 48980, 49910, 50876, 56327, 57040, 60760, 61936, 63595, 68572, 69874, 72680, 77420, 79856, 85715, 89033, 90160, 97960, 99820, 101752, 112654, 120001, 121520, 127190, 137144, 139748, 145360, 154840, 171430, 174685, 178066, 195920, 199640, 203504, 225308, 240002, 254380, 274288, 279496, 281635, 309680, 342860, 349370, 356132, 394289, 399280, 445165, 450616, 480004, 508760, 558992, 563270, 600005, 685720, 698740, 712264, 788578, 890330, 901232, 960008, 1017520, 1126540, 1200010, 1371440, 1397480, 1424528, 1577156, 1780660, 1920016, 1971445, 2253080, 2400020, 2760023, 2794960, 3154312, 3561320, 3942890, 4506160, 4800040, 5520046, 6308624, 7122640, 7885780, 9600080, 11040092, 13800115, 15771560, 22080184, 27600230, 31543120, 44160368, 55200460, 110400920, 220801840]

約数ペア:

[(1, 220801840), (2, 110400920), (4, 55200460), (5, 44160368), (7, 31543120), (8, 27600230), (10, 22080184), (14, 15771560), (16, 13800115), (20, 11040092), (23, 9600080), (28, 7885780), (31, 7122640), (35, 6308624), (40, 5520046), (46, 4800040), (49, 4506160), (56, 3942890), (62, 3561320), (70, 3154312), (79, 2794960), (80, 2760023), (92, 2400020), (98, 2253080), (112, 1971445), (115, 1920016), (124, 1780660), (140, 1577156), (155, 1424528), (158, 1397480), (161, 1371440), (184, 1200010), (196, 1126540), (217, 1017520), (230, 960008), (245, 901232), (248, 890330), (280, 788578), (310, 712264), (316, 698740), (322, 685720), (368, 600005), (392, 563270), (395, 558992), (434, 508760), (460, 480004), (490, 450616), (496, 445165), (553, 399280), (560, 394289), (620, 356132), (632, 349370), (644, 342860), (713, 309680), (784, 281635), (790, 279496), (805, 274288), (868, 254380), (920, 240002), (980, 225308), (1085, 203504), (1106, 199640), (1127, 195920), (1240, 178066), (1264, 174685), (1288, 171430), (1426, 154840), (1519, 145360), (1580, 139748), (1610, 137144), (1736, 127190), (1817, 121520), (1840, 120001), (1960, 112654), (2170, 101752), (2212, 99820), (2254, 97960), (2449, 90160), (2480, 89033), (2576, 85715), (2765, 79856), (2852, 77420), (3038, 72680), (3160, 69874), (3220, 68572), (3472, 63595), (3565, 61936), (3634, 60760), (3871, 57040), (3920, 56327), (4340, 50876), (4424, 49910), (4508, 48980), (4898, 45080), (4991, 44240), (5530, 39928), (5635, 39184), (5704, 38710), (6076, 36340), (6320, 34937), (6440, 34286), (7130, 30968), (7268, 30380), (7595, 29072), (7742, 28520), (8680, 25438), (8848, 24955), (9016, 24490), (9085, 24304), (9796, 22540), (9982, 22120), (11060, 19964), (11270, 19592), (11408, 19355), (12152, 18170), (12245, 18032), (12719, 17360), (12880, 17143), (14260, 15484), (14536, 15190)]