138980880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 240

約数和(自身を含む): 502467840

約数和(自身を除く): 363486960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 47, 48, 54, 60, 72, 74, 80, 90, 94, 108, 111, 120, 135, 141, 144, 148, 180, 185, 188, 216, 222, 235, 240, 270, 282, 296, 333, 360, 370, 376, 423, 432, 444, 470, 540, 555, 564, 592, 666, 705, 720, 740, 752, 846, 888, 940, 999, 1080, 1110, 1128, 1269, 1332, 1369, 1410, 1480, 1665, 1692, 1739, 1776, 1880, 1998, 2115, 2160, 2220, 2256, 2538, 2664, 2738, 2820, 2960, 3330, 3384, 3478, 3760, 3996, 4107, 4230, 4440, 4995, 5076, 5217, 5328, 5476, 5640, 6345, 6660, 6768, 6845, 6956, 7992, 8214, 8460, 8695, 8880, 9990, 10152, 10434, 10952, 11280, 12321, 12690, 13320, 13690, 13912, 15651, 15984, 16428, 16920, 17390, 19980, 20304, 20535, 20868, 21904, 24642, 25380, 26085, 26640, 27380, 27824, 31302, 32856, 33840, 34780, 36963, 39960, 41070, 41736, 46953, 49284, 50760, 52170, 54760, 61605, 62604, 64343, 65712, 69560, 73926, 78255, 79920, 82140, 83472, 93906, 98568, 101520, 104340, 109520, 123210, 125208, 128686, 139120, 147852, 156510, 164280, 184815, 187812, 193029, 197136, 208680, 234765, 246420, 250416, 257372, 295704, 313020, 321715, 328560, 369630, 375624, 386058, 417360, 469530, 492840, 514744, 579087, 591408, 626040, 643430, 739260, 751248, 772116, 939060, 965145, 985680, 1029488, 1158174, 1252080, 1286860, 1478520, 1544232, 1737261, 1878120, 1930290, 2316348, 2573720, 2895435, 2957040, 3088464, 3474522, 3756240, 3860580, 4632696, 5147440, 5790870, 6949044, 7721160, 8686305, 9265392, 11581740, 13898088, 15442320, 17372610, 23163480, 27796176, 34745220, 46326960, 69490440, 138980880]

約数ペア:

[(1, 138980880), (2, 69490440), (3, 46326960), (4, 34745220), (5, 27796176), (6, 23163480), (8, 17372610), (9, 15442320), (10, 13898088), (12, 11581740), (15, 9265392), (16, 8686305), (18, 7721160), (20, 6949044), (24, 5790870), (27, 5147440), (30, 4632696), (36, 3860580), (37, 3756240), (40, 3474522), (45, 3088464), (47, 2957040), (48, 2895435), (54, 2573720), (60, 2316348), (72, 1930290), (74, 1878120), (80, 1737261), (90, 1544232), (94, 1478520), (108, 1286860), (111, 1252080), (120, 1158174), (135, 1029488), (141, 985680), (144, 965145), (148, 939060), (180, 772116), (185, 751248), (188, 739260), (216, 643430), (222, 626040), (235, 591408), (240, 579087), (270, 514744), (282, 492840), (296, 469530), (333, 417360), (360, 386058), (370, 375624), (376, 369630), (423, 328560), (432, 321715), (444, 313020), (470, 295704), (540, 257372), (555, 250416), (564, 246420), (592, 234765), (666, 208680), (705, 197136), (720, 193029), (740, 187812), (752, 184815), (846, 164280), (888, 156510), (940, 147852), (999, 139120), (1080, 128686), (1110, 125208), (1128, 123210), (1269, 109520), (1332, 104340), (1369, 101520), (1410, 98568), (1480, 93906), (1665, 83472), (1692, 82140), (1739, 79920), (1776, 78255), (1880, 73926), (1998, 69560), (2115, 65712), (2160, 64343), (2220, 62604), (2256, 61605), (2538, 54760), (2664, 52170), (2738, 50760), (2820, 49284), (2960, 46953), (3330, 41736), (3384, 41070), (3478, 39960), (3760, 36963), (3996, 34780), (4107, 33840), (4230, 32856), (4440, 31302), (4995, 27824), (5076, 27380), (5217, 26640), (5328, 26085), (5476, 25380), (5640, 24642), (6345, 21904), (6660, 20868), (6768, 20535), (6845, 20304), (6956, 19980), (7992, 17390), (8214, 16920), (8460, 16428), (8695, 15984), (8880, 15651), (9990, 13912), (10152, 13690), (10434, 13320), (10952, 12690), (11280, 12321)]