641571040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1137

約数の個数: 144

約数和(自身を含む): 1721381760

約数和(自身を除く): 1079810720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 440, 484, 496, 605, 620, 682, 880, 968, 992, 1069, 1210, 1240, 1364, 1705, 1760, 1936, 2138, 2420, 2480, 2728, 3410, 3751, 3872, 4276, 4840, 4960, 5345, 5456, 6820, 7502, 8552, 9680, 10690, 10912, 11759, 13640, 15004, 17104, 18755, 19360, 21380, 23518, 27280, 30008, 33139, 34208, 37510, 42760, 47036, 54560, 58795, 60016, 66278, 75020, 85520, 94072, 117590, 120032, 129349, 132556, 150040, 165695, 171040, 188144, 235180, 258698, 265112, 300080, 331390, 364529, 376288, 470360, 517396, 530224, 600160, 646745, 662780, 729058, 940720, 1034792, 1060448, 1293490, 1325560, 1458116, 1822645, 1881440, 2069584, 2586980, 2651120, 2916232, 3645290, 4009819, 4139168, 5173960, 5302240, 5832464, 7290580, 8019638, 10347920, 11664928, 14581160, 16039276, 20049095, 20695840, 29162320, 32078552, 40098190, 58324640, 64157104, 80196380, 128314208, 160392760, 320785520, 641571040]

約数ペア:

[(1, 641571040), (2, 320785520), (4, 160392760), (5, 128314208), (8, 80196380), (10, 64157104), (11, 58324640), (16, 40098190), (20, 32078552), (22, 29162320), (31, 20695840), (32, 20049095), (40, 16039276), (44, 14581160), (55, 11664928), (62, 10347920), (80, 8019638), (88, 7290580), (110, 5832464), (121, 5302240), (124, 5173960), (155, 4139168), (160, 4009819), (176, 3645290), (220, 2916232), (242, 2651120), (248, 2586980), (310, 2069584), (341, 1881440), (352, 1822645), (440, 1458116), (484, 1325560), (496, 1293490), (605, 1060448), (620, 1034792), (682, 940720), (880, 729058), (968, 662780), (992, 646745), (1069, 600160), (1210, 530224), (1240, 517396), (1364, 470360), (1705, 376288), (1760, 364529), (1936, 331390), (2138, 300080), (2420, 265112), (2480, 258698), (2728, 235180), (3410, 188144), (3751, 171040), (3872, 165695), (4276, 150040), (4840, 132556), (4960, 129349), (5345, 120032), (5456, 117590), (6820, 94072), (7502, 85520), (8552, 75020), (9680, 66278), (10690, 60016), (10912, 58795), (11759, 54560), (13640, 47036), (15004, 42760), (17104, 37510), (18755, 34208), (19360, 33139), (21380, 30008), (23518, 27280)]