42643980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 140256480

約数和(自身を除く): 97612500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 337, 342, 370, 380, 444, 555, 570, 666, 674, 684, 703, 740, 855, 1011, 1110, 1140, 1332, 1348, 1406, 1665, 1685, 1710, 2022, 2109, 2220, 2812, 3033, 3330, 3370, 3420, 3515, 4044, 4218, 5055, 6066, 6327, 6403, 6660, 6740, 7030, 8436, 10110, 10545, 12132, 12469, 12654, 12806, 14060, 15165, 19209, 20220, 21090, 24938, 25308, 25612, 30330, 31635, 32015, 37407, 38418, 42180, 49876, 57627, 60660, 62345, 63270, 64030, 74814, 76836, 96045, 112221, 115254, 124690, 126540, 128060, 149628, 187035, 192090, 224442, 230508, 236911, 249380, 288135, 374070, 384180, 448884, 473822, 561105, 576270, 710733, 748140, 947644, 1122210, 1152540, 1184555, 1421466, 2132199, 2244420, 2369110, 2842932, 3553665, 4264398, 4738220, 7107330, 8528796, 10660995, 14214660, 21321990, 42643980]

約数ペア:

[(1, 42643980), (2, 21321990), (3, 14214660), (4, 10660995), (5, 8528796), (6, 7107330), (9, 4738220), (10, 4264398), (12, 3553665), (15, 2842932), (18, 2369110), (19, 2244420), (20, 2132199), (30, 1421466), (36, 1184555), (37, 1152540), (38, 1122210), (45, 947644), (57, 748140), (60, 710733), (74, 576270), (76, 561105), (90, 473822), (95, 448884), (111, 384180), (114, 374070), (148, 288135), (171, 249380), (180, 236911), (185, 230508), (190, 224442), (222, 192090), (228, 187035), (285, 149628), (333, 128060), (337, 126540), (342, 124690), (370, 115254), (380, 112221), (444, 96045), (555, 76836), (570, 74814), (666, 64030), (674, 63270), (684, 62345), (703, 60660), (740, 57627), (855, 49876), (1011, 42180), (1110, 38418), (1140, 37407), (1332, 32015), (1348, 31635), (1406, 30330), (1665, 25612), (1685, 25308), (1710, 24938), (2022, 21090), (2109, 20220), (2220, 19209), (2812, 15165), (3033, 14060), (3330, 12806), (3370, 12654), (3420, 12469), (3515, 12132), (4044, 10545), (4218, 10110), (5055, 8436), (6066, 7030), (6327, 6740), (6403, 6660)]