891285030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5237}}^1$

素因数の和:5342

約数の個数: 96

約数和(自身を含む): 2431772928

約数和(自身を除く): 1540487898

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 61, 62, 90, 93, 122, 155, 183, 186, 279, 305, 310, 366, 465, 549, 558, 610, 915, 930, 1098, 1395, 1830, 1891, 2745, 2790, 3782, 5237, 5490, 5673, 9455, 10474, 11346, 15711, 17019, 18910, 26185, 28365, 31422, 34038, 47133, 52370, 56730, 78555, 85095, 94266, 157110, 162347, 170190, 235665, 319457, 324694, 471330, 487041, 638914, 811735, 958371, 974082, 1461123, 1597285, 1623470, 1916742, 2435205, 2875113, 2922246, 3194570, 4791855, 4870410, 5750226, 7305615, 9583710, 9903167, 14375565, 14611230, 19806334, 28751130, 29709501, 49515835, 59419002, 89128503, 99031670, 148547505, 178257006, 297095010, 445642515, 891285030]

約数ペア:

[(1, 891285030), (2, 445642515), (3, 297095010), (5, 178257006), (6, 148547505), (9, 99031670), (10, 89128503), (15, 59419002), (18, 49515835), (30, 29709501), (31, 28751130), (45, 19806334), (61, 14611230), (62, 14375565), (90, 9903167), (93, 9583710), (122, 7305615), (155, 5750226), (183, 4870410), (186, 4791855), (279, 3194570), (305, 2922246), (310, 2875113), (366, 2435205), (465, 1916742), (549, 1623470), (558, 1597285), (610, 1461123), (915, 974082), (930, 958371), (1098, 811735), (1395, 638914), (1830, 487041), (1891, 471330), (2745, 324694), (2790, 319457), (3782, 235665), (5237, 170190), (5490, 162347), (5673, 157110), (9455, 94266), (10474, 85095), (11346, 78555), (15711, 56730), (17019, 52370), (18910, 47133), (26185, 34038), (28365, 31422)]