78431340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 238182336

約数和(自身を除く): 159750996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 193, 195, 260, 386, 390, 521, 579, 772, 780, 965, 1042, 1158, 1563, 1930, 2084, 2316, 2509, 2605, 2895, 3126, 3860, 5018, 5210, 5790, 6252, 6773, 7527, 7815, 10036, 10420, 11580, 12545, 13546, 15054, 15630, 20319, 25090, 27092, 30108, 31260, 33865, 37635, 40638, 50180, 67730, 75270, 81276, 100553, 101595, 135460, 150540, 201106, 203190, 301659, 402212, 406380, 502765, 603318, 1005530, 1206636, 1307189, 1508295, 2011060, 2614378, 3016590, 3921567, 5228756, 6033180, 6535945, 7843134, 13071890, 15686268, 19607835, 26143780, 39215670, 78431340]

約数ペア:

[(1, 78431340), (2, 39215670), (3, 26143780), (4, 19607835), (5, 15686268), (6, 13071890), (10, 7843134), (12, 6535945), (13, 6033180), (15, 5228756), (20, 3921567), (26, 3016590), (30, 2614378), (39, 2011060), (52, 1508295), (60, 1307189), (65, 1206636), (78, 1005530), (130, 603318), (156, 502765), (193, 406380), (195, 402212), (260, 301659), (386, 203190), (390, 201106), (521, 150540), (579, 135460), (772, 101595), (780, 100553), (965, 81276), (1042, 75270), (1158, 67730), (1563, 50180), (1930, 40638), (2084, 37635), (2316, 33865), (2509, 31260), (2605, 30108), (2895, 27092), (3126, 25090), (3860, 20319), (5018, 15630), (5210, 15054), (5790, 13546), (6252, 12545), (6773, 11580), (7527, 10420), (7815, 10036)]