1551028920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1867}}^1$

素因数の和:1954

約数の個数: 256

約数和(自身を含む): 5681111040

約数和(自身を除く): 4130082120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 43, 46, 56, 60, 69, 70, 84, 86, 92, 105, 115, 120, 129, 138, 140, 161, 168, 172, 184, 210, 215, 230, 258, 276, 280, 301, 322, 344, 345, 420, 430, 460, 483, 516, 552, 602, 644, 645, 690, 805, 840, 860, 903, 920, 966, 989, 1032, 1204, 1288, 1290, 1380, 1505, 1610, 1720, 1806, 1867, 1932, 1978, 2408, 2415, 2580, 2760, 2967, 3010, 3220, 3612, 3734, 3864, 3956, 4515, 4830, 4945, 5160, 5601, 5934, 6020, 6440, 6923, 7224, 7468, 7912, 9030, 9335, 9660, 9890, 11202, 11868, 12040, 13069, 13846, 14835, 14936, 18060, 18670, 19320, 19780, 20769, 22404, 23736, 26138, 27692, 28005, 29670, 34615, 36120, 37340, 39207, 39560, 41538, 42941, 44808, 52276, 55384, 56010, 59340, 65345, 69230, 74680, 78414, 80281, 83076, 85882, 103845, 104552, 112020, 118680, 128823, 130690, 138460, 156828, 160562, 166152, 171764, 196035, 207690, 214705, 224040, 240843, 257646, 261380, 276920, 300587, 313656, 321124, 343528, 392070, 401405, 415380, 429410, 481686, 515292, 522760, 561967, 601174, 642248, 644115, 784140, 802810, 830760, 858820, 901761, 963372, 1030584, 1123934, 1202348, 1204215, 1288230, 1502935, 1568280, 1605620, 1685901, 1717640, 1803522, 1846463, 1926744, 2247868, 2404696, 2408430, 2576460, 2809835, 3005870, 3211240, 3371802, 3607044, 3692926, 4495736, 4508805, 4816860, 5152920, 5539389, 5619670, 6011740, 6743604, 7214088, 7385852, 8429505, 9017610, 9232315, 9633720, 11078778, 11239340, 12023480, 12925241, 13487208, 14771704, 16859010, 18035220, 18464630, 22157556, 22478680, 25850482, 27696945, 33718020, 36070440, 36929260, 38775723, 44315112, 51700964, 55393890, 64626205, 67436040, 73858520, 77551446, 103401928, 110787780, 129252410, 155102892, 193878615, 221575560, 258504820, 310205784, 387757230, 517009640, 775514460, 1551028920]

約数ペア:

[(1, 1551028920), (2, 775514460), (3, 517009640), (4, 387757230), (5, 310205784), (6, 258504820), (7, 221575560), (8, 193878615), (10, 155102892), (12, 129252410), (14, 110787780), (15, 103401928), (20, 77551446), (21, 73858520), (23, 67436040), (24, 64626205), (28, 55393890), (30, 51700964), (35, 44315112), (40, 38775723), (42, 36929260), (43, 36070440), (46, 33718020), (56, 27696945), (60, 25850482), (69, 22478680), (70, 22157556), (84, 18464630), (86, 18035220), (92, 16859010), (105, 14771704), (115, 13487208), (120, 12925241), (129, 12023480), (138, 11239340), (140, 11078778), (161, 9633720), (168, 9232315), (172, 9017610), (184, 8429505), (210, 7385852), (215, 7214088), (230, 6743604), (258, 6011740), (276, 5619670), (280, 5539389), (301, 5152920), (322, 4816860), (344, 4508805), (345, 4495736), (420, 3692926), (430, 3607044), (460, 3371802), (483, 3211240), (516, 3005870), (552, 2809835), (602, 2576460), (644, 2408430), (645, 2404696), (690, 2247868), (805, 1926744), (840, 1846463), (860, 1803522), (903, 1717640), (920, 1685901), (966, 1605620), (989, 1568280), (1032, 1502935), (1204, 1288230), (1288, 1204215), (1290, 1202348), (1380, 1123934), (1505, 1030584), (1610, 963372), (1720, 901761), (1806, 858820), (1867, 830760), (1932, 802810), (1978, 784140), (2408, 644115), (2415, 642248), (2580, 601174), (2760, 561967), (2967, 522760), (3010, 515292), (3220, 481686), (3612, 429410), (3734, 415380), (3864, 401405), (3956, 392070), (4515, 343528), (4830, 321124), (4945, 313656), (5160, 300587), (5601, 276920), (5934, 261380), (6020, 257646), (6440, 240843), (6923, 224040), (7224, 214705), (7468, 207690), (7912, 196035), (9030, 171764), (9335, 166152), (9660, 160562), (9890, 156828), (11202, 138460), (11868, 130690), (12040, 128823), (13069, 118680), (13846, 112020), (14835, 104552), (14936, 103845), (18060, 85882), (18670, 83076), (19320, 80281), (19780, 78414), (20769, 74680), (22404, 69230), (23736, 65345), (26138, 59340), (27692, 56010), (28005, 55384), (29670, 52276), (34615, 44808), (36120, 42941), (37340, 41538), (39207, 39560)]