9937980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 33755904

約数和(自身を除く): 23817924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 137, 155, 156, 180, 186, 195, 234, 260, 274, 279, 310, 372, 390, 403, 411, 465, 468, 548, 558, 585, 620, 685, 780, 806, 822, 930, 1116, 1170, 1209, 1233, 1370, 1395, 1612, 1644, 1781, 1860, 2015, 2055, 2340, 2418, 2466, 2740, 2790, 3562, 3627, 4030, 4110, 4247, 4836, 4932, 5343, 5580, 6045, 6165, 7124, 7254, 8060, 8220, 8494, 8905, 10686, 12090, 12330, 12741, 14508, 16029, 16988, 17810, 18135, 21235, 21372, 24180, 24660, 25482, 26715, 32058, 35620, 36270, 38223, 42470, 50964, 53430, 55211, 63705, 64116, 72540, 76446, 80145, 84940, 106860, 110422, 127410, 152892, 160290, 165633, 191115, 220844, 254820, 276055, 320580, 331266, 382230, 496899, 552110, 662532, 764460, 828165, 993798, 1104220, 1656330, 1987596, 2484495, 3312660, 4968990, 9937980]

約数ペア:

[(1, 9937980), (2, 4968990), (3, 3312660), (4, 2484495), (5, 1987596), (6, 1656330), (9, 1104220), (10, 993798), (12, 828165), (13, 764460), (15, 662532), (18, 552110), (20, 496899), (26, 382230), (30, 331266), (31, 320580), (36, 276055), (39, 254820), (45, 220844), (52, 191115), (60, 165633), (62, 160290), (65, 152892), (78, 127410), (90, 110422), (93, 106860), (117, 84940), (124, 80145), (130, 76446), (137, 72540), (155, 64116), (156, 63705), (180, 55211), (186, 53430), (195, 50964), (234, 42470), (260, 38223), (274, 36270), (279, 35620), (310, 32058), (372, 26715), (390, 25482), (403, 24660), (411, 24180), (465, 21372), (468, 21235), (548, 18135), (558, 17810), (585, 16988), (620, 16029), (685, 14508), (780, 12741), (806, 12330), (822, 12090), (930, 10686), (1116, 8905), (1170, 8494), (1209, 8220), (1233, 8060), (1370, 7254), (1395, 7124), (1612, 6165), (1644, 6045), (1781, 5580), (1860, 5343), (2015, 4932), (2055, 4836), (2340, 4247), (2418, 4110), (2466, 4030), (2740, 3627), (2790, 3562)]