1234567320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63901}}^1$

素因数の和:63945

約数の個数: 128

約数和(自身を含む): 4416906240

約数和(自身を除く): 3182338920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 63901, 127802, 191703, 255604, 319505, 383406, 447307, 511208, 639010, 766812, 894614, 958515, 1278020, 1341921, 1469723, 1533624, 1789228, 1917030, 2236535, 2556040, 2683842, 2939446, 3578456, 3834060, 4409169, 4473070, 5367684, 5878892, 6709605, 7348615, 7668120, 8818338, 8946140, 10288061, 10735368, 11757784, 13419210, 14697230, 17636676, 17892280, 20576122, 22045845, 26838420, 29394460, 30864183, 35273352, 41152244, 44091690, 51440305, 53676840, 58788920, 61728366, 82304488, 88183380, 102880610, 123456732, 154320915, 176366760, 205761220, 246913464, 308641830, 411522440, 617283660, 1234567320]

約数ペア:

[(1, 1234567320), (2, 617283660), (3, 411522440), (4, 308641830), (5, 246913464), (6, 205761220), (7, 176366760), (8, 154320915), (10, 123456732), (12, 102880610), (14, 88183380), (15, 82304488), (20, 61728366), (21, 58788920), (23, 53676840), (24, 51440305), (28, 44091690), (30, 41152244), (35, 35273352), (40, 30864183), (42, 29394460), (46, 26838420), (56, 22045845), (60, 20576122), (69, 17892280), (70, 17636676), (84, 14697230), (92, 13419210), (105, 11757784), (115, 10735368), (120, 10288061), (138, 8946140), (140, 8818338), (161, 7668120), (168, 7348615), (184, 6709605), (210, 5878892), (230, 5367684), (276, 4473070), (280, 4409169), (322, 3834060), (345, 3578456), (420, 2939446), (460, 2683842), (483, 2556040), (552, 2236535), (644, 1917030), (690, 1789228), (805, 1533624), (840, 1469723), (920, 1341921), (966, 1278020), (1288, 958515), (1380, 894614), (1610, 766812), (1932, 639010), (2415, 511208), (2760, 447307), (3220, 383406), (3864, 319505), (4830, 255604), (6440, 191703), (9660, 127802), (19320, 63901)]