661308120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5387}}^1$

素因数の和:5446

約数の個数: 192

約数和(自身を含む): 2420720640

約数和(自身を除く): 1759412520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 155, 165, 180, 186, 198, 220, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 558, 620, 660, 682, 744, 792, 930, 990, 1023, 1116, 1240, 1320, 1364, 1395, 1705, 1860, 1980, 2046, 2232, 2728, 2790, 3069, 3410, 3720, 3960, 4092, 5115, 5387, 5580, 6138, 6820, 8184, 10230, 10774, 11160, 12276, 13640, 15345, 16161, 20460, 21548, 24552, 26935, 30690, 32322, 40920, 43096, 48483, 53870, 59257, 61380, 64644, 80805, 96966, 107740, 118514, 122760, 129288, 161610, 166997, 177771, 193932, 215480, 237028, 242415, 296285, 323220, 333994, 355542, 387864, 474056, 484830, 500991, 533313, 592570, 646440, 667988, 711084, 834985, 888855, 969660, 1001982, 1066626, 1185140, 1335976, 1422168, 1502973, 1669970, 1777710, 1836967, 1939320, 2003964, 2133252, 2370280, 2504955, 2666565, 3005946, 3339940, 3555420, 3673934, 4007928, 4266504, 5009910, 5333130, 5510901, 6011892, 6679880, 7110840, 7347868, 7514865, 9184835, 10019820, 10666260, 11021802, 12023784, 14695736, 15029730, 16532703, 18369670, 20039640, 21332520, 22043604, 27554505, 30059460, 33065406, 36739340, 44087208, 55109010, 60118920, 66130812, 73478680, 82663515, 110218020, 132261624, 165327030, 220436040, 330654060, 661308120]

約数ペア:

[(1, 661308120), (2, 330654060), (3, 220436040), (4, 165327030), (5, 132261624), (6, 110218020), (8, 82663515), (9, 73478680), (10, 66130812), (11, 60118920), (12, 55109010), (15, 44087208), (18, 36739340), (20, 33065406), (22, 30059460), (24, 27554505), (30, 22043604), (31, 21332520), (33, 20039640), (36, 18369670), (40, 16532703), (44, 15029730), (45, 14695736), (55, 12023784), (60, 11021802), (62, 10666260), (66, 10019820), (72, 9184835), (88, 7514865), (90, 7347868), (93, 7110840), (99, 6679880), (110, 6011892), (120, 5510901), (124, 5333130), (132, 5009910), (155, 4266504), (165, 4007928), (180, 3673934), (186, 3555420), (198, 3339940), (220, 3005946), (248, 2666565), (264, 2504955), (279, 2370280), (310, 2133252), (330, 2003964), (341, 1939320), (360, 1836967), (372, 1777710), (396, 1669970), (440, 1502973), (465, 1422168), (495, 1335976), (558, 1185140), (620, 1066626), (660, 1001982), (682, 969660), (744, 888855), (792, 834985), (930, 711084), (990, 667988), (1023, 646440), (1116, 592570), (1240, 533313), (1320, 500991), (1364, 484830), (1395, 474056), (1705, 387864), (1860, 355542), (1980, 333994), (2046, 323220), (2232, 296285), (2728, 242415), (2790, 237028), (3069, 215480), (3410, 193932), (3720, 177771), (3960, 166997), (4092, 161610), (5115, 129288), (5387, 122760), (5580, 118514), (6138, 107740), (6820, 96966), (8184, 80805), (10230, 64644), (10774, 61380), (11160, 59257), (12276, 53870), (13640, 48483), (15345, 43096), (16161, 40920), (20460, 32322), (21548, 30690), (24552, 26935)]