204060240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{337}}^1$

素因数の和:414

約数の個数: 180

約数和(自身を含む): 711854364

約数和(自身を除く): 507794124

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 337, 348, 360, 435, 464, 522, 580, 674, 696, 720, 841, 870, 1011, 1044, 1160, 1305, 1348, 1392, 1682, 1685, 1740, 2022, 2088, 2320, 2523, 2610, 2696, 3033, 3364, 3370, 3480, 4044, 4176, 4205, 5046, 5055, 5220, 5392, 6066, 6728, 6740, 6960, 7569, 8088, 8410, 9773, 10092, 10110, 10440, 12132, 12615, 13456, 13480, 15138, 15165, 16176, 16820, 19546, 20184, 20220, 20880, 24264, 25230, 26960, 29319, 30276, 30330, 33640, 37845, 39092, 40368, 40440, 48528, 48865, 50460, 58638, 60552, 60660, 67280, 75690, 78184, 80880, 87957, 97730, 100920, 117276, 121104, 121320, 146595, 151380, 156368, 175914, 195460, 201840, 234552, 242640, 283417, 293190, 302760, 351828, 390920, 439785, 469104, 566834, 586380, 605520, 703656, 781840, 850251, 879570, 1133668, 1172760, 1407312, 1417085, 1700502, 1759140, 2267336, 2345520, 2550753, 2834170, 3401004, 3518280, 4251255, 4534672, 5101506, 5668340, 6802008, 7036560, 8502510, 10203012, 11336680, 12753765, 13604016, 17005020, 20406024, 22673360, 25507530, 34010040, 40812048, 51015060, 68020080, 102030120, 204060240]

約数ペア:

[(1, 204060240), (2, 102030120), (3, 68020080), (4, 51015060), (5, 40812048), (6, 34010040), (8, 25507530), (9, 22673360), (10, 20406024), (12, 17005020), (15, 13604016), (16, 12753765), (18, 11336680), (20, 10203012), (24, 8502510), (29, 7036560), (30, 6802008), (36, 5668340), (40, 5101506), (45, 4534672), (48, 4251255), (58, 3518280), (60, 3401004), (72, 2834170), (80, 2550753), (87, 2345520), (90, 2267336), (116, 1759140), (120, 1700502), (144, 1417085), (145, 1407312), (174, 1172760), (180, 1133668), (232, 879570), (240, 850251), (261, 781840), (290, 703656), (337, 605520), (348, 586380), (360, 566834), (435, 469104), (464, 439785), (522, 390920), (580, 351828), (674, 302760), (696, 293190), (720, 283417), (841, 242640), (870, 234552), (1011, 201840), (1044, 195460), (1160, 175914), (1305, 156368), (1348, 151380), (1392, 146595), (1682, 121320), (1685, 121104), (1740, 117276), (2022, 100920), (2088, 97730), (2320, 87957), (2523, 80880), (2610, 78184), (2696, 75690), (3033, 67280), (3364, 60660), (3370, 60552), (3480, 58638), (4044, 50460), (4176, 48865), (4205, 48528), (5046, 40440), (5055, 40368), (5220, 39092), (5392, 37845), (6066, 33640), (6728, 30330), (6740, 30276), (6960, 29319), (7569, 26960), (8088, 25230), (8410, 24264), (9773, 20880), (10092, 20220), (10110, 20184), (10440, 19546), (12132, 16820), (12615, 16176), (13456, 15165), (13480, 15138)]