42810420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 136503360

約数和(自身を除く): 93692940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 47, 51, 57, 60, 68, 76, 85, 94, 95, 102, 114, 141, 170, 188, 190, 204, 228, 235, 255, 282, 285, 323, 340, 380, 470, 510, 564, 570, 646, 705, 799, 893, 940, 969, 1020, 1140, 1292, 1410, 1598, 1615, 1786, 1938, 2209, 2397, 2679, 2820, 3196, 3230, 3572, 3876, 3995, 4418, 4465, 4794, 4845, 5358, 6460, 6627, 7990, 8836, 8930, 9588, 9690, 10716, 11045, 11985, 13254, 13395, 15181, 15980, 17860, 19380, 22090, 23970, 26508, 26790, 30362, 33135, 37553, 41971, 44180, 45543, 47940, 53580, 60724, 66270, 75106, 75905, 83942, 91086, 112659, 125913, 132540, 150212, 151810, 167884, 182172, 187765, 209855, 225318, 227715, 251826, 303620, 375530, 419710, 450636, 455430, 503652, 563295, 629565, 713507, 751060, 839420, 910860, 1126590, 1259130, 1427014, 2140521, 2253180, 2518260, 2854028, 3567535, 4281042, 7135070, 8562084, 10702605, 14270140, 21405210, 42810420]

約数ペア:

[(1, 42810420), (2, 21405210), (3, 14270140), (4, 10702605), (5, 8562084), (6, 7135070), (10, 4281042), (12, 3567535), (15, 2854028), (17, 2518260), (19, 2253180), (20, 2140521), (30, 1427014), (34, 1259130), (38, 1126590), (47, 910860), (51, 839420), (57, 751060), (60, 713507), (68, 629565), (76, 563295), (85, 503652), (94, 455430), (95, 450636), (102, 419710), (114, 375530), (141, 303620), (170, 251826), (188, 227715), (190, 225318), (204, 209855), (228, 187765), (235, 182172), (255, 167884), (282, 151810), (285, 150212), (323, 132540), (340, 125913), (380, 112659), (470, 91086), (510, 83942), (564, 75905), (570, 75106), (646, 66270), (705, 60724), (799, 53580), (893, 47940), (940, 45543), (969, 44180), (1020, 41971), (1140, 37553), (1292, 33135), (1410, 30362), (1598, 26790), (1615, 26508), (1786, 23970), (1938, 22090), (2209, 19380), (2397, 17860), (2679, 15980), (2820, 15181), (3196, 13395), (3230, 13254), (3572, 11985), (3876, 11045), (3995, 10716), (4418, 9690), (4465, 9588), (4794, 8930), (4845, 8836), (5358, 7990), (6460, 6627)]