42278940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 141837696

約数和(自身を除く): 99558756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 131, 132, 163, 165, 180, 198, 220, 262, 326, 330, 393, 396, 489, 495, 524, 652, 655, 660, 786, 815, 978, 990, 1179, 1310, 1441, 1467, 1572, 1630, 1793, 1956, 1965, 1980, 2358, 2445, 2620, 2882, 2934, 3260, 3586, 3930, 4323, 4716, 4890, 5379, 5764, 5868, 5895, 7172, 7205, 7335, 7860, 8646, 8965, 9780, 10758, 11790, 12969, 14410, 14670, 16137, 17292, 17930, 21353, 21516, 21615, 23580, 25938, 26895, 28820, 29340, 32274, 35860, 42706, 43230, 51876, 53790, 64059, 64548, 64845, 80685, 85412, 86460, 106765, 107580, 128118, 129690, 161370, 192177, 213530, 234883, 256236, 259380, 320295, 322740, 384354, 427060, 469766, 640590, 704649, 768708, 939532, 960885, 1174415, 1281180, 1409298, 1921770, 2113947, 2348830, 2818596, 3523245, 3843540, 4227894, 4697660, 7046490, 8455788, 10569735, 14092980, 21139470, 42278940]

約数ペア:

[(1, 42278940), (2, 21139470), (3, 14092980), (4, 10569735), (5, 8455788), (6, 7046490), (9, 4697660), (10, 4227894), (11, 3843540), (12, 3523245), (15, 2818596), (18, 2348830), (20, 2113947), (22, 1921770), (30, 1409298), (33, 1281180), (36, 1174415), (44, 960885), (45, 939532), (55, 768708), (60, 704649), (66, 640590), (90, 469766), (99, 427060), (110, 384354), (131, 322740), (132, 320295), (163, 259380), (165, 256236), (180, 234883), (198, 213530), (220, 192177), (262, 161370), (326, 129690), (330, 128118), (393, 107580), (396, 106765), (489, 86460), (495, 85412), (524, 80685), (652, 64845), (655, 64548), (660, 64059), (786, 53790), (815, 51876), (978, 43230), (990, 42706), (1179, 35860), (1310, 32274), (1441, 29340), (1467, 28820), (1572, 26895), (1630, 25938), (1793, 23580), (1956, 21615), (1965, 21516), (1980, 21353), (2358, 17930), (2445, 17292), (2620, 16137), (2882, 14670), (2934, 14410), (3260, 12969), (3586, 11790), (3930, 10758), (4323, 9780), (4716, 8965), (4890, 8646), (5379, 7860), (5764, 7335), (5868, 7205), (5895, 7172)]