1321254720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4933}}^1$

素因数の和:4990

約数の個数: 224

約数和(自身を含む): 4812426240

約数和(自身を除く): 3491171520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 432, 465, 480, 496, 540, 558, 576, 620, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1728, 1860, 1984, 2160, 2232, 2480, 2790, 2880, 2976, 3348, 3720, 4185, 4320, 4464, 4933, 4960, 5580, 5952, 6696, 7440, 8370, 8640, 8928, 9866, 9920, 11160, 13392, 14799, 14880, 16740, 17856, 19732, 22320, 24665, 26784, 29598, 29760, 33480, 39464, 44397, 44640, 49330, 53568, 59196, 66960, 73995, 78928, 88794, 89280, 98660, 118392, 133191, 133920, 147990, 152923, 157856, 177588, 197320, 221985, 236784, 266382, 267840, 295980, 305846, 315712, 355176, 394640, 443970, 458769, 473568, 532764, 591960, 611692, 665955, 710352, 764615, 789280, 887940, 917538, 947136, 1065528, 1183920, 1223384, 1331910, 1376307, 1420704, 1529230, 1578560, 1775880, 1835076, 2131056, 2293845, 2367840, 2446768, 2663820, 2752614, 2841408, 3058460, 3551760, 3670152, 4128921, 4262112, 4587690, 4735680, 4893536, 5327640, 5505228, 6116920, 6881535, 7103520, 7340304, 8257842, 8524224, 9175380, 9787072, 10655280, 11010456, 12233840, 13763070, 14207040, 14680608, 16515684, 18350760, 20644605, 21310560, 22020912, 24467680, 27526140, 29361216, 33031368, 36701520, 41289210, 42621120, 44041824, 48935360, 55052280, 66062736, 73403040, 82578420, 88083648, 110104560, 132125472, 146806080, 165156840, 220209120, 264250944, 330313680, 440418240, 660627360, 1321254720]

約数ペア:

[(1, 1321254720), (2, 660627360), (3, 440418240), (4, 330313680), (5, 264250944), (6, 220209120), (8, 165156840), (9, 146806080), (10, 132125472), (12, 110104560), (15, 88083648), (16, 82578420), (18, 73403040), (20, 66062736), (24, 55052280), (27, 48935360), (30, 44041824), (31, 42621120), (32, 41289210), (36, 36701520), (40, 33031368), (45, 29361216), (48, 27526140), (54, 24467680), (60, 22020912), (62, 21310560), (64, 20644605), (72, 18350760), (80, 16515684), (90, 14680608), (93, 14207040), (96, 13763070), (108, 12233840), (120, 11010456), (124, 10655280), (135, 9787072), (144, 9175380), (155, 8524224), (160, 8257842), (180, 7340304), (186, 7103520), (192, 6881535), (216, 6116920), (240, 5505228), (248, 5327640), (270, 4893536), (279, 4735680), (288, 4587690), (310, 4262112), (320, 4128921), (360, 3670152), (372, 3551760), (432, 3058460), (465, 2841408), (480, 2752614), (496, 2663820), (540, 2446768), (558, 2367840), (576, 2293845), (620, 2131056), (720, 1835076), (744, 1775880), (837, 1578560), (864, 1529230), (930, 1420704), (960, 1376307), (992, 1331910), (1080, 1223384), (1116, 1183920), (1240, 1065528), (1395, 947136), (1440, 917538), (1488, 887940), (1674, 789280), (1728, 764615), (1860, 710352), (1984, 665955), (2160, 611692), (2232, 591960), (2480, 532764), (2790, 473568), (2880, 458769), (2976, 443970), (3348, 394640), (3720, 355176), (4185, 315712), (4320, 305846), (4464, 295980), (4933, 267840), (4960, 266382), (5580, 236784), (5952, 221985), (6696, 197320), (7440, 177588), (8370, 157856), (8640, 152923), (8928, 147990), (9866, 133920), (9920, 133191), (11160, 118392), (13392, 98660), (14799, 89280), (14880, 88794), (16740, 78928), (17856, 73995), (19732, 66960), (22320, 59196), (24665, 53568), (26784, 49330), (29598, 44640), (29760, 44397), (33480, 39464)]