89803980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 313657344

約数和(自身を除く): 223853364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 263, 271, 315, 420, 526, 542, 630, 789, 813, 1052, 1084, 1260, 1315, 1355, 1578, 1626, 1841, 1897, 2367, 2439, 2630, 2710, 3156, 3252, 3682, 3794, 3945, 4065, 4734, 4878, 5260, 5420, 5523, 5691, 7364, 7588, 7890, 8130, 9205, 9468, 9485, 9756, 11046, 11382, 11835, 12195, 15780, 16260, 16569, 17073, 18410, 18970, 22092, 22764, 23670, 24390, 27615, 28455, 33138, 34146, 36820, 37940, 47340, 48780, 55230, 56910, 66276, 68292, 71273, 82845, 85365, 110460, 113820, 142546, 165690, 170730, 213819, 285092, 331380, 341460, 356365, 427638, 498911, 641457, 712730, 855276, 997822, 1069095, 1282914, 1425460, 1496733, 1995644, 2138190, 2494555, 2565828, 2993466, 3207285, 4276380, 4490199, 4989110, 5986932, 6414570, 7483665, 8980398, 9978220, 12829140, 14967330, 17960796, 22450995, 29934660, 44901990, 89803980]

約数ペア:

[(1, 89803980), (2, 44901990), (3, 29934660), (4, 22450995), (5, 17960796), (6, 14967330), (7, 12829140), (9, 9978220), (10, 8980398), (12, 7483665), (14, 6414570), (15, 5986932), (18, 4989110), (20, 4490199), (21, 4276380), (28, 3207285), (30, 2993466), (35, 2565828), (36, 2494555), (42, 2138190), (45, 1995644), (60, 1496733), (63, 1425460), (70, 1282914), (84, 1069095), (90, 997822), (105, 855276), (126, 712730), (140, 641457), (180, 498911), (210, 427638), (252, 356365), (263, 341460), (271, 331380), (315, 285092), (420, 213819), (526, 170730), (542, 165690), (630, 142546), (789, 113820), (813, 110460), (1052, 85365), (1084, 82845), (1260, 71273), (1315, 68292), (1355, 66276), (1578, 56910), (1626, 55230), (1841, 48780), (1897, 47340), (2367, 37940), (2439, 36820), (2630, 34146), (2710, 33138), (3156, 28455), (3252, 27615), (3682, 24390), (3794, 23670), (3945, 22764), (4065, 22092), (4734, 18970), (4878, 18410), (5260, 17073), (5420, 16569), (5523, 16260), (5691, 15780), (7364, 12195), (7588, 11835), (7890, 11382), (8130, 11046), (9205, 9756), (9468, 9485)]