1780852164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1697}}^1$

素因数の和:1786

約数の個数: 144

約数和(自身を含む): 5287653504

約数和(自身を除く): 3506801340

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 182, 186, 217, 273, 364, 372, 403, 434, 546, 651, 806, 868, 961, 1092, 1209, 1302, 1612, 1697, 1922, 2418, 2604, 2821, 2883, 3394, 3844, 4836, 5091, 5642, 5766, 6727, 6788, 8463, 10182, 11284, 11532, 11879, 12493, 13454, 16926, 20181, 20364, 22061, 23758, 24986, 26908, 33852, 35637, 37479, 40362, 44122, 47516, 49972, 52607, 66183, 71274, 74958, 80724, 87451, 88244, 105214, 132366, 142548, 149916, 154427, 157821, 174902, 210428, 262353, 264732, 308854, 315642, 349804, 368249, 463281, 524706, 617708, 631284, 683891, 736498, 926562, 1049412, 1104747, 1367782, 1472996, 1630817, 1853124, 2051673, 2209494, 2735564, 3261634, 4103346, 4418988, 4787237, 4892451, 6523268, 8206692, 9574474, 9784902, 11415719, 14361711, 19148948, 19569804, 21200621, 22831438, 28723422, 34247157, 42401242, 45662876, 57446844, 63601863, 68494314, 84802484, 127203726, 136988628, 148404347, 254407452, 296808694, 445213041, 593617388, 890426082, 1780852164]

約数ペア:

[(1, 1780852164), (2, 890426082), (3, 593617388), (4, 445213041), (6, 296808694), (7, 254407452), (12, 148404347), (13, 136988628), (14, 127203726), (21, 84802484), (26, 68494314), (28, 63601863), (31, 57446844), (39, 45662876), (42, 42401242), (52, 34247157), (62, 28723422), (78, 22831438), (84, 21200621), (91, 19569804), (93, 19148948), (124, 14361711), (156, 11415719), (182, 9784902), (186, 9574474), (217, 8206692), (273, 6523268), (364, 4892451), (372, 4787237), (403, 4418988), (434, 4103346), (546, 3261634), (651, 2735564), (806, 2209494), (868, 2051673), (961, 1853124), (1092, 1630817), (1209, 1472996), (1302, 1367782), (1612, 1104747), (1697, 1049412), (1922, 926562), (2418, 736498), (2604, 683891), (2821, 631284), (2883, 617708), (3394, 524706), (3844, 463281), (4836, 368249), (5091, 349804), (5642, 315642), (5766, 308854), (6727, 264732), (6788, 262353), (8463, 210428), (10182, 174902), (11284, 157821), (11532, 154427), (11879, 149916), (12493, 142548), (13454, 132366), (16926, 105214), (20181, 88244), (20364, 87451), (22061, 80724), (23758, 74958), (24986, 71274), (26908, 66183), (33852, 52607), (35637, 49972), (37479, 47516), (40362, 44122)]