1278609240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1459}}^1$

素因数の和:1649

約数の個数: 128

約数和(自身を含む): 3931488000

約数和(自身を除く): 2652878760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 109, 120, 134, 201, 218, 268, 327, 335, 402, 436, 536, 545, 654, 670, 804, 872, 1005, 1090, 1308, 1340, 1459, 1608, 1635, 2010, 2180, 2616, 2680, 2918, 3270, 4020, 4360, 4377, 5836, 6540, 7295, 7303, 8040, 8754, 11672, 13080, 14590, 14606, 17508, 21885, 21909, 29180, 29212, 35016, 36515, 43770, 43818, 58360, 58424, 73030, 87540, 87636, 97753, 109545, 146060, 159031, 175080, 175272, 195506, 219090, 292120, 293259, 318062, 391012, 438180, 477093, 488765, 586518, 636124, 782024, 795155, 876360, 954186, 977530, 1173036, 1272248, 1466295, 1590310, 1908372, 1955060, 2346072, 2385465, 2932590, 3180620, 3816744, 3910120, 4770930, 5865180, 6361240, 9541860, 10655077, 11730360, 19083720, 21310154, 31965231, 42620308, 53275385, 63930462, 85240616, 106550770, 127860924, 159826155, 213101540, 255721848, 319652310, 426203080, 639304620, 1278609240]

約数ペア:

[(1, 1278609240), (2, 639304620), (3, 426203080), (4, 319652310), (5, 255721848), (6, 213101540), (8, 159826155), (10, 127860924), (12, 106550770), (15, 85240616), (20, 63930462), (24, 53275385), (30, 42620308), (40, 31965231), (60, 21310154), (67, 19083720), (109, 11730360), (120, 10655077), (134, 9541860), (201, 6361240), (218, 5865180), (268, 4770930), (327, 3910120), (335, 3816744), (402, 3180620), (436, 2932590), (536, 2385465), (545, 2346072), (654, 1955060), (670, 1908372), (804, 1590310), (872, 1466295), (1005, 1272248), (1090, 1173036), (1308, 977530), (1340, 954186), (1459, 876360), (1608, 795155), (1635, 782024), (2010, 636124), (2180, 586518), (2616, 488765), (2680, 477093), (2918, 438180), (3270, 391012), (4020, 318062), (4360, 293259), (4377, 292120), (5836, 219090), (6540, 195506), (7295, 175272), (7303, 175080), (8040, 159031), (8754, 146060), (11672, 109545), (13080, 97753), (14590, 87636), (14606, 87540), (17508, 73030), (21885, 58424), (21909, 58360), (29180, 43818), (29212, 43770), (35016, 36515)]