644186760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33343}}^1$

素因数の和:33387

約数の個数: 128

約数和(自身を含む): 2304737280

約数和(自身を除く): 1660550520

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, 33343, 66686, 100029, 133372, 166715, 200058, 233401, 266744, 333430, 400116, 466802, 500145, 666860, 700203, 766889, 800232, 933604, 1000290, 1167005, 1333720, 1400406, 1533778, 1867208, 2000580, 2300667, 2334010, 2800812, 3067556, 3501015, 3834445, 4001160, 4601334, 4668020, 5368223, 5601624, 6135112, 7002030, 7668890, 9202668, 9336040, 10736446, 11503335, 14004060, 15337780, 16104669, 18405336, 21472892, 23006670, 26841115, 28008120, 30675560, 32209338, 42945784, 46013340, 53682230, 64418676, 80523345, 92026680, 107364460, 128837352, 161046690, 214728920, 322093380, 644186760]

約数ペア:

[(1, 644186760), (2, 322093380), (3, 214728920), (4, 161046690), (5, 128837352), (6, 107364460), (7, 92026680), (8, 80523345), (10, 64418676), (12, 53682230), (14, 46013340), (15, 42945784), (20, 32209338), (21, 30675560), (23, 28008120), (24, 26841115), (28, 23006670), (30, 21472892), (35, 18405336), (40, 16104669), (42, 15337780), (46, 14004060), (56, 11503335), (60, 10736446), (69, 9336040), (70, 9202668), (84, 7668890), (92, 7002030), (105, 6135112), (115, 5601624), (120, 5368223), (138, 4668020), (140, 4601334), (161, 4001160), (168, 3834445), (184, 3501015), (210, 3067556), (230, 2800812), (276, 2334010), (280, 2300667), (322, 2000580), (345, 1867208), (420, 1533778), (460, 1400406), (483, 1333720), (552, 1167005), (644, 1000290), (690, 933604), (805, 800232), (840, 766889), (920, 700203), (966, 666860), (1288, 500145), (1380, 466802), (1610, 400116), (1932, 333430), (2415, 266744), (2760, 233401), (3220, 200058), (3864, 166715), (4830, 133372), (6440, 100029), (9660, 66686), (19320, 33343)]