1728378120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:612

約数の個数: 256

約数和(自身を含む): 6133248000

約数和(自身を除く): 4404869880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 109, 120, 129, 140, 168, 172, 210, 215, 218, 258, 280, 301, 327, 344, 420, 430, 436, 439, 516, 545, 602, 645, 654, 763, 840, 860, 872, 878, 903, 1032, 1090, 1204, 1290, 1308, 1317, 1505, 1526, 1635, 1720, 1756, 1806, 2180, 2195, 2289, 2408, 2580, 2616, 2634, 3010, 3052, 3073, 3270, 3512, 3612, 3815, 4360, 4390, 4515, 4578, 4687, 5160, 5268, 6020, 6104, 6146, 6540, 6585, 7224, 7630, 8780, 9030, 9156, 9219, 9374, 10536, 11445, 12040, 12292, 13080, 13170, 14061, 15260, 15365, 17560, 18060, 18312, 18438, 18748, 18877, 22890, 23435, 24584, 26340, 28122, 30520, 30730, 32809, 36120, 36876, 37496, 37754, 45780, 46095, 46870, 47851, 52680, 56244, 56631, 61460, 65618, 70305, 73752, 75508, 91560, 92190, 93740, 94385, 95702, 98427, 112488, 113262, 122920, 131236, 132139, 140610, 143553, 151016, 164045, 184380, 187480, 188770, 191404, 196854, 226524, 239255, 262472, 264278, 281220, 283155, 287106, 328090, 334957, 368760, 377540, 382808, 393708, 396417, 453048, 478510, 492135, 528556, 562440, 566310, 574212, 656180, 660695, 669914, 717765, 755080, 787416, 792834, 957020, 984270, 1004871, 1057112, 1132620, 1148424, 1312360, 1321390, 1339828, 1435530, 1585668, 1674785, 1914040, 1968540, 1982085, 2009742, 2057593, 2265240, 2642780, 2679656, 2871060, 3171336, 3349570, 3937080, 3964170, 4019484, 4115186, 5024355, 5285560, 5742120, 6172779, 6699140, 7928340, 8038968, 8230372, 10048710, 10287965, 12345558, 13398280, 14403151, 15856680, 16460744, 20097420, 20575930, 24691116, 28806302, 30863895, 40194840, 41151860, 43209453, 49382232, 57612604, 61727790, 72015755, 82303720, 86418906, 115225208, 123455580, 144031510, 172837812, 216047265, 246911160, 288063020, 345675624, 432094530, 576126040, 864189060, 1728378120]

約数ペア:

[(1, 1728378120), (2, 864189060), (3, 576126040), (4, 432094530), (5, 345675624), (6, 288063020), (7, 246911160), (8, 216047265), (10, 172837812), (12, 144031510), (14, 123455580), (15, 115225208), (20, 86418906), (21, 82303720), (24, 72015755), (28, 61727790), (30, 57612604), (35, 49382232), (40, 43209453), (42, 41151860), (43, 40194840), (56, 30863895), (60, 28806302), (70, 24691116), (84, 20575930), (86, 20097420), (105, 16460744), (109, 15856680), (120, 14403151), (129, 13398280), (140, 12345558), (168, 10287965), (172, 10048710), (210, 8230372), (215, 8038968), (218, 7928340), (258, 6699140), (280, 6172779), (301, 5742120), (327, 5285560), (344, 5024355), (420, 4115186), (430, 4019484), (436, 3964170), (439, 3937080), (516, 3349570), (545, 3171336), (602, 2871060), (645, 2679656), (654, 2642780), (763, 2265240), (840, 2057593), (860, 2009742), (872, 1982085), (878, 1968540), (903, 1914040), (1032, 1674785), (1090, 1585668), (1204, 1435530), (1290, 1339828), (1308, 1321390), (1317, 1312360), (1505, 1148424), (1526, 1132620), (1635, 1057112), (1720, 1004871), (1756, 984270), (1806, 957020), (2180, 792834), (2195, 787416), (2289, 755080), (2408, 717765), (2580, 669914), (2616, 660695), (2634, 656180), (3010, 574212), (3052, 566310), (3073, 562440), (3270, 528556), (3512, 492135), (3612, 478510), (3815, 453048), (4360, 396417), (4390, 393708), (4515, 382808), (4578, 377540), (4687, 368760), (5160, 334957), (5268, 328090), (6020, 287106), (6104, 283155), (6146, 281220), (6540, 264278), (6585, 262472), (7224, 239255), (7630, 226524), (8780, 196854), (9030, 191404), (9156, 188770), (9219, 187480), (9374, 184380), (10536, 164045), (11445, 151016), (12040, 143553), (12292, 140610), (13080, 132139), (13170, 131236), (14061, 122920), (15260, 113262), (15365, 112488), (17560, 98427), (18060, 95702), (18312, 94385), (18438, 93740), (18748, 92190), (18877, 91560), (22890, 75508), (23435, 73752), (24584, 70305), (26340, 65618), (28122, 61460), (30520, 56631), (30730, 56244), (32809, 52680), (36120, 47851), (36876, 46870), (37496, 46095), (37754, 45780)]