639104760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{253613}}^1$

素因数の和:253637

約数の個数: 96

約数和(自身を含む): 2373827040

約数和(自身を除く): 1734722280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 253613, 507226, 760839, 1014452, 1268065, 1521678, 1775291, 2028904, 2282517, 2536130, 3043356, 3550582, 3804195, 4565034, 5072260, 5325873, 6086712, 7101164, 7608390, 8876455, 9130068, 10144520, 10651746, 11412585, 14202328, 15216780, 15977619, 17752910, 18260136, 21303492, 22825170, 26629365, 30433560, 31955238, 35505820, 42606984, 45650340, 53258730, 63910476, 71011640, 79888095, 91300680, 106517460, 127820952, 159776190, 213034920, 319552380, 639104760]

約数ペア:

[(1, 639104760), (2, 319552380), (3, 213034920), (4, 159776190), (5, 127820952), (6, 106517460), (7, 91300680), (8, 79888095), (9, 71011640), (10, 63910476), (12, 53258730), (14, 45650340), (15, 42606984), (18, 35505820), (20, 31955238), (21, 30433560), (24, 26629365), (28, 22825170), (30, 21303492), (35, 18260136), (36, 17752910), (40, 15977619), (42, 15216780), (45, 14202328), (56, 11412585), (60, 10651746), (63, 10144520), (70, 9130068), (72, 8876455), (84, 7608390), (90, 7101164), (105, 6086712), (120, 5325873), (126, 5072260), (140, 4565034), (168, 3804195), (180, 3550582), (210, 3043356), (252, 2536130), (280, 2282517), (315, 2028904), (360, 1775291), (420, 1521678), (504, 1268065), (630, 1014452), (840, 760839), (1260, 507226), (2520, 253613)]