73816020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 235872000

約数和(自身を除く): 162055980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 79, 87, 90, 116, 145, 158, 174, 179, 180, 237, 261, 290, 316, 348, 358, 395, 435, 474, 522, 537, 580, 711, 716, 790, 870, 895, 948, 1044, 1074, 1185, 1305, 1422, 1580, 1611, 1740, 1790, 2148, 2291, 2370, 2610, 2685, 2844, 3222, 3555, 3580, 4582, 4740, 5191, 5220, 5370, 6444, 6873, 7110, 8055, 9164, 10382, 10740, 11455, 13746, 14141, 14220, 15573, 16110, 20619, 20764, 22910, 25955, 27492, 28282, 31146, 32220, 34365, 41238, 42423, 45820, 46719, 51910, 56564, 62292, 68730, 70705, 77865, 82476, 84846, 93438, 103095, 103820, 127269, 137460, 141410, 155730, 169692, 186876, 206190, 212115, 233595, 254538, 282820, 311460, 410089, 412380, 424230, 467190, 509076, 636345, 820178, 848460, 934380, 1230267, 1272690, 1640356, 2050445, 2460534, 2545380, 3690801, 4100890, 4921068, 6151335, 7381602, 8201780, 12302670, 14763204, 18454005, 24605340, 36908010, 73816020]

約数ペア:

[(1, 73816020), (2, 36908010), (3, 24605340), (4, 18454005), (5, 14763204), (6, 12302670), (9, 8201780), (10, 7381602), (12, 6151335), (15, 4921068), (18, 4100890), (20, 3690801), (29, 2545380), (30, 2460534), (36, 2050445), (45, 1640356), (58, 1272690), (60, 1230267), (79, 934380), (87, 848460), (90, 820178), (116, 636345), (145, 509076), (158, 467190), (174, 424230), (179, 412380), (180, 410089), (237, 311460), (261, 282820), (290, 254538), (316, 233595), (348, 212115), (358, 206190), (395, 186876), (435, 169692), (474, 155730), (522, 141410), (537, 137460), (580, 127269), (711, 103820), (716, 103095), (790, 93438), (870, 84846), (895, 82476), (948, 77865), (1044, 70705), (1074, 68730), (1185, 62292), (1305, 56564), (1422, 51910), (1580, 46719), (1611, 45820), (1740, 42423), (1790, 41238), (2148, 34365), (2291, 32220), (2370, 31146), (2610, 28282), (2685, 27492), (2844, 25955), (3222, 22910), (3555, 20764), (3580, 20619), (4582, 16110), (4740, 15573), (5191, 14220), (5220, 14141), (5370, 13746), (6444, 11455), (6873, 10740), (7110, 10382), (8055, 9164)]