31027920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 320

約数和(自身を含む): 126849024

約数和(自身を除く): 95821104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 23, 24, 28, 30, 33, 35, 40, 42, 44, 46, 48, 55, 56, 60, 66, 69, 70, 73, 77, 80, 84, 88, 92, 105, 110, 112, 115, 120, 132, 138, 140, 146, 154, 161, 165, 168, 176, 184, 210, 219, 220, 230, 231, 240, 253, 264, 276, 280, 292, 308, 322, 330, 336, 345, 365, 368, 385, 420, 438, 440, 460, 462, 483, 506, 511, 528, 552, 560, 584, 616, 644, 660, 690, 730, 759, 770, 803, 805, 840, 876, 880, 920, 924, 966, 1012, 1022, 1095, 1104, 1155, 1168, 1232, 1265, 1288, 1320, 1380, 1460, 1518, 1533, 1540, 1606, 1610, 1679, 1680, 1752, 1771, 1840, 1848, 1932, 2024, 2044, 2190, 2310, 2409, 2415, 2530, 2555, 2576, 2640, 2760, 2920, 3036, 3066, 3080, 3212, 3220, 3358, 3504, 3542, 3696, 3795, 3864, 4015, 4048, 4088, 4380, 4620, 4818, 4830, 5037, 5060, 5110, 5313, 5520, 5621, 5840, 6072, 6132, 6160, 6424, 6440, 6716, 7084, 7590, 7665, 7728, 8030, 8176, 8395, 8760, 8855, 9240, 9636, 9660, 10074, 10120, 10220, 10626, 11242, 11753, 12045, 12144, 12264, 12848, 12880, 13432, 14168, 15180, 15330, 16060, 16790, 16863, 17520, 17710, 18469, 18480, 19272, 19320, 20148, 20240, 20440, 21252, 22484, 23506, 24090, 24528, 25185, 26565, 26864, 28105, 28336, 30360, 30660, 32120, 33580, 33726, 35259, 35420, 36938, 38544, 38640, 40296, 40880, 42504, 44968, 47012, 48180, 50370, 53130, 55407, 56210, 58765, 60720, 61320, 64240, 67160, 67452, 70518, 70840, 73876, 80592, 84315, 85008, 89936, 92345, 94024, 96360, 100740, 106260, 110814, 112420, 117530, 122640, 129283, 134320, 134904, 141036, 141680, 147752, 168630, 176295, 184690, 188048, 192720, 201480, 212520, 221628, 224840, 235060, 258566, 269808, 277035, 282072, 295504, 337260, 352590, 369380, 387849, 402960, 425040, 443256, 449680, 470120, 517132, 554070, 564144, 646415, 674520, 705180, 738760, 775698, 886512, 940240, 1034264, 1108140, 1292830, 1349040, 1410360, 1477520, 1551396, 1939245, 2068528, 2216280, 2585660, 2820720, 3102792, 3878490, 4432560, 5171320, 6205584, 7756980, 10342640, 15513960, 31027920]

約数ペア:

[(1, 31027920), (2, 15513960), (3, 10342640), (4, 7756980), (5, 6205584), (6, 5171320), (7, 4432560), (8, 3878490), (10, 3102792), (11, 2820720), (12, 2585660), (14, 2216280), (15, 2068528), (16, 1939245), (20, 1551396), (21, 1477520), (22, 1410360), (23, 1349040), (24, 1292830), (28, 1108140), (30, 1034264), (33, 940240), (35, 886512), (40, 775698), (42, 738760), (44, 705180), (46, 674520), (48, 646415), (55, 564144), (56, 554070), (60, 517132), (66, 470120), (69, 449680), (70, 443256), (73, 425040), (77, 402960), (80, 387849), (84, 369380), (88, 352590), (92, 337260), (105, 295504), (110, 282072), (112, 277035), (115, 269808), (120, 258566), (132, 235060), (138, 224840), (140, 221628), (146, 212520), (154, 201480), (161, 192720), (165, 188048), (168, 184690), (176, 176295), (184, 168630), (210, 147752), (219, 141680), (220, 141036), (230, 134904), (231, 134320), (240, 129283), (253, 122640), (264, 117530), (276, 112420), (280, 110814), (292, 106260), (308, 100740), (322, 96360), (330, 94024), (336, 92345), (345, 89936), (365, 85008), (368, 84315), (385, 80592), (420, 73876), (438, 70840), (440, 70518), (460, 67452), (462, 67160), (483, 64240), (506, 61320), (511, 60720), (528, 58765), (552, 56210), (560, 55407), (584, 53130), (616, 50370), (644, 48180), (660, 47012), (690, 44968), (730, 42504), (759, 40880), (770, 40296), (803, 38640), (805, 38544), (840, 36938), (876, 35420), (880, 35259), (920, 33726), (924, 33580), (966, 32120), (1012, 30660), (1022, 30360), (1095, 28336), (1104, 28105), (1155, 26864), (1168, 26565), (1232, 25185), (1265, 24528), (1288, 24090), (1320, 23506), (1380, 22484), (1460, 21252), (1518, 20440), (1533, 20240), (1540, 20148), (1606, 19320), (1610, 19272), (1679, 18480), (1680, 18469), (1752, 17710), (1771, 17520), (1840, 16863), (1848, 16790), (1932, 16060), (2024, 15330), (2044, 15180), (2190, 14168), (2310, 13432), (2409, 12880), (2415, 12848), (2530, 12264), (2555, 12144), (2576, 12045), (2640, 11753), (2760, 11242), (2920, 10626), (3036, 10220), (3066, 10120), (3080, 10074), (3212, 9660), (3220, 9636), (3358, 9240), (3504, 8855), (3542, 8760), (3696, 8395), (3795, 8176), (3864, 8030), (4015, 7728), (4048, 7665), (4088, 7590), (4380, 7084), (4620, 6716), (4818, 6440), (4830, 6424), (5037, 6160), (5060, 6132), (5110, 6072), (5313, 5840), (5520, 5621)]