90305480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3833}}^1$

素因数の和:3894

約数の個数: 64

約数和(自身を含む): 220838400

約数和(自身を除く): 130532920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 3833, 4712, 5890, 7666, 11780, 15332, 19165, 23560, 30664, 38330, 72827, 76660, 118823, 145654, 153320, 237646, 291308, 364135, 475292, 582616, 594115, 728270, 950584, 1188230, 1456540, 2257637, 2376460, 2913080, 4515274, 4752920, 9030548, 11288185, 18061096, 22576370, 45152740, 90305480]

約数ペア:

[(1, 90305480), (2, 45152740), (4, 22576370), (5, 18061096), (8, 11288185), (10, 9030548), (19, 4752920), (20, 4515274), (31, 2913080), (38, 2376460), (40, 2257637), (62, 1456540), (76, 1188230), (95, 950584), (124, 728270), (152, 594115), (155, 582616), (190, 475292), (248, 364135), (310, 291308), (380, 237646), (589, 153320), (620, 145654), (760, 118823), (1178, 76660), (1240, 72827), (2356, 38330), (2945, 30664), (3833, 23560), (4712, 19165), (5890, 15332), (7666, 11780)]