42780840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 138360960

約数和(自身を除く): 95580120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 67, 68, 85, 102, 120, 134, 136, 170, 201, 204, 255, 268, 313, 335, 340, 402, 408, 510, 536, 626, 670, 680, 804, 939, 1005, 1020, 1139, 1252, 1340, 1565, 1608, 1878, 2010, 2040, 2278, 2504, 2680, 3130, 3417, 3756, 4020, 4556, 4695, 5321, 5695, 6260, 6834, 7512, 8040, 9112, 9390, 10642, 11390, 12520, 13668, 15963, 17085, 18780, 20971, 21284, 22780, 26605, 27336, 31926, 34170, 37560, 41942, 42568, 45560, 53210, 62913, 63852, 68340, 79815, 83884, 104855, 106420, 125826, 127704, 136680, 159630, 167768, 209710, 212840, 251652, 314565, 319260, 356507, 419420, 503304, 629130, 638520, 713014, 838840, 1069521, 1258260, 1426028, 1782535, 2139042, 2516520, 2852056, 3565070, 4278084, 5347605, 7130140, 8556168, 10695210, 14260280, 21390420, 42780840]

約数ペア:

[(1, 42780840), (2, 21390420), (3, 14260280), (4, 10695210), (5, 8556168), (6, 7130140), (8, 5347605), (10, 4278084), (12, 3565070), (15, 2852056), (17, 2516520), (20, 2139042), (24, 1782535), (30, 1426028), (34, 1258260), (40, 1069521), (51, 838840), (60, 713014), (67, 638520), (68, 629130), (85, 503304), (102, 419420), (120, 356507), (134, 319260), (136, 314565), (170, 251652), (201, 212840), (204, 209710), (255, 167768), (268, 159630), (313, 136680), (335, 127704), (340, 125826), (402, 106420), (408, 104855), (510, 83884), (536, 79815), (626, 68340), (670, 63852), (680, 62913), (804, 53210), (939, 45560), (1005, 42568), (1020, 41942), (1139, 37560), (1252, 34170), (1340, 31926), (1565, 27336), (1608, 26605), (1878, 22780), (2010, 21284), (2040, 20971), (2278, 18780), (2504, 17085), (2680, 15963), (3130, 13668), (3417, 12520), (3756, 11390), (4020, 10642), (4556, 9390), (4695, 9112), (5321, 8040), (5695, 7512), (6260, 6834)]