20087784540

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^2$

素因数の和:428

約数の個数: 252

約数和(自身を含む): 65082037944

約数和(自身を除く): 44994253404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 179, 180, 215, 243, 258, 270, 324, 358, 387, 405, 430, 486, 516, 537, 540, 645, 716, 729, 774, 810, 860, 895, 972, 1074, 1161, 1215, 1290, 1458, 1548, 1611, 1620, 1790, 1935, 2148, 2322, 2430, 2580, 2685, 2916, 3222, 3483, 3580, 3645, 3870, 4644, 4833, 4860, 5370, 5805, 6444, 6966, 7290, 7697, 7740, 8055, 9666, 10449, 10740, 11610, 13932, 14499, 14580, 15394, 16110, 17415, 19332, 20898, 23091, 23220, 24165, 28998, 30788, 31347, 32041, 32220, 34830, 38485, 41796, 43497, 46182, 48330, 52245, 57996, 62694, 64082, 69273, 69660, 72495, 76970, 86994, 92364, 96123, 96660, 104490, 115455, 125388, 128164, 130491, 138546, 144990, 153940, 156735, 160205, 173988, 192246, 207819, 208980, 217485, 230910, 260982, 277092, 288369, 289980, 313470, 320410, 346365, 384492, 415638, 434970, 461820, 480615, 521964, 576738, 623457, 626940, 640820, 652455, 692730, 831276, 865107, 869940, 961230, 1039095, 1153476, 1246914, 1304910, 1377763, 1385460, 1441845, 1730214, 1870371, 1922460, 2078190, 2493828, 2595321, 2609820, 2755526, 2883690, 3117285, 3460428, 3740742, 4133289, 4156380, 4325535, 5190642, 5511052, 5611113, 5767380, 6234570, 6888815, 7481484, 7785963, 8266578, 8651070, 9351855, 10381284, 11222226, 12399867, 12469140, 12976605, 13777630, 15571926, 16533156, 17302140, 18703710, 20666445, 22444452, 23357889, 24799734, 25953210, 27555260, 28055565, 31143852, 37199601, 37407420, 38929815, 41332890, 46715778, 49599468, 51906420, 56111130, 61999335, 74399202, 77859630, 82665780, 93431556, 111598803, 112222260, 116789445, 123998670, 148798404, 155719260, 185998005, 223197606, 233578890, 247997340, 334796409, 371996010, 446395212, 467157780, 557994015, 669592818, 743992020, 1004389227, 1115988030, 1339185636, 1673982045, 2008778454, 2231976060, 3347964090, 4017556908, 5021946135, 6695928180, 10043892270, 20087784540]

約数ペア:

[(1, 20087784540), (2, 10043892270), (3, 6695928180), (4, 5021946135), (5, 4017556908), (6, 3347964090), (9, 2231976060), (10, 2008778454), (12, 1673982045), (15, 1339185636), (18, 1115988030), (20, 1004389227), (27, 743992020), (30, 669592818), (36, 557994015), (43, 467157780), (45, 446395212), (54, 371996010), (60, 334796409), (81, 247997340), (86, 233578890), (90, 223197606), (108, 185998005), (129, 155719260), (135, 148798404), (162, 123998670), (172, 116789445), (179, 112222260), (180, 111598803), (215, 93431556), (243, 82665780), (258, 77859630), (270, 74399202), (324, 61999335), (358, 56111130), (387, 51906420), (405, 49599468), (430, 46715778), (486, 41332890), (516, 38929815), (537, 37407420), (540, 37199601), (645, 31143852), (716, 28055565), (729, 27555260), (774, 25953210), (810, 24799734), (860, 23357889), (895, 22444452), (972, 20666445), (1074, 18703710), (1161, 17302140), (1215, 16533156), (1290, 15571926), (1458, 13777630), (1548, 12976605), (1611, 12469140), (1620, 12399867), (1790, 11222226), (1935, 10381284), (2148, 9351855), (2322, 8651070), (2430, 8266578), (2580, 7785963), (2685, 7481484), (2916, 6888815), (3222, 6234570), (3483, 5767380), (3580, 5611113), (3645, 5511052), (3870, 5190642), (4644, 4325535), (4833, 4156380), (4860, 4133289), (5370, 3740742), (5805, 3460428), (6444, 3117285), (6966, 2883690), (7290, 2755526), (7697, 2609820), (7740, 2595321), (8055, 2493828), (9666, 2078190), (10449, 1922460), (10740, 1870371), (11610, 1730214), (13932, 1441845), (14499, 1385460), (14580, 1377763), (15394, 1304910), (16110, 1246914), (17415, 1153476), (19332, 1039095), (20898, 961230), (23091, 869940), (23220, 865107), (24165, 831276), (28998, 692730), (30788, 652455), (31347, 640820), (32041, 626940), (32220, 623457), (34830, 576738), (38485, 521964), (41796, 480615), (43497, 461820), (46182, 434970), (48330, 415638), (52245, 384492), (57996, 346365), (62694, 320410), (64082, 313470), (69273, 289980), (69660, 288369), (72495, 277092), (76970, 260982), (86994, 230910), (92364, 217485), (96123, 208980), (96660, 207819), (104490, 192246), (115455, 173988), (125388, 160205), (128164, 156735), (130491, 153940), (138546, 144990)]