256035120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{331}}^1$

素因数の和:651

約数の個数: 160

約数和(自身を含む): 871444224

約数和(自身を除く): 615409104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 293, 330, 331, 440, 528, 586, 660, 662, 879, 880, 993, 1172, 1320, 1324, 1465, 1655, 1758, 1986, 2344, 2640, 2648, 2930, 3223, 3310, 3516, 3641, 3972, 4395, 4688, 4965, 5296, 5860, 6446, 6620, 7032, 7282, 7944, 8790, 9669, 9930, 10923, 11720, 12892, 13240, 14064, 14564, 15888, 16115, 17580, 18205, 19338, 19860, 21846, 23440, 25784, 26480, 29128, 32230, 35160, 36410, 38676, 39720, 43692, 48345, 51568, 54615, 58256, 64460, 70320, 72820, 77352, 79440, 87384, 96690, 96983, 109230, 128920, 145640, 154704, 174768, 193380, 193966, 218460, 257840, 290949, 291280, 386760, 387932, 436920, 484915, 581898, 773520, 775864, 873840, 969830, 1066813, 1163796, 1454745, 1551728, 1939660, 2133626, 2327592, 2909490, 3200439, 3879320, 4267252, 4655184, 5334065, 5818980, 6400878, 7758640, 8534504, 10668130, 11637960, 12801756, 16002195, 17069008, 21336260, 23275920, 25603512, 32004390, 42672520, 51207024, 64008780, 85345040, 128017560, 256035120]

約数ペア:

[(1, 256035120), (2, 128017560), (3, 85345040), (4, 64008780), (5, 51207024), (6, 42672520), (8, 32004390), (10, 25603512), (11, 23275920), (12, 21336260), (15, 17069008), (16, 16002195), (20, 12801756), (22, 11637960), (24, 10668130), (30, 8534504), (33, 7758640), (40, 6400878), (44, 5818980), (48, 5334065), (55, 4655184), (60, 4267252), (66, 3879320), (80, 3200439), (88, 2909490), (110, 2327592), (120, 2133626), (132, 1939660), (165, 1551728), (176, 1454745), (220, 1163796), (240, 1066813), (264, 969830), (293, 873840), (330, 775864), (331, 773520), (440, 581898), (528, 484915), (586, 436920), (660, 387932), (662, 386760), (879, 291280), (880, 290949), (993, 257840), (1172, 218460), (1320, 193966), (1324, 193380), (1465, 174768), (1655, 154704), (1758, 145640), (1986, 128920), (2344, 109230), (2640, 96983), (2648, 96690), (2930, 87384), (3223, 79440), (3310, 77352), (3516, 72820), (3641, 70320), (3972, 64460), (4395, 58256), (4688, 54615), (4965, 51568), (5296, 48345), (5860, 43692), (6446, 39720), (6620, 38676), (7032, 36410), (7282, 35160), (7944, 32230), (8790, 29128), (9669, 26480), (9930, 25784), (10923, 23440), (11720, 21846), (12892, 19860), (13240, 19338), (14064, 18205), (14564, 17580), (15888, 16115)]