31489830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 84510720

約数和(自身を除く): 53020890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 223, 270, 446, 523, 669, 1046, 1115, 1338, 1569, 2007, 2230, 2615, 3138, 3345, 4014, 4707, 5230, 6021, 6690, 7845, 9414, 10035, 12042, 14121, 15690, 20070, 23535, 28242, 30105, 47070, 60210, 70605, 116629, 141210, 233258, 349887, 583145, 699774, 1049661, 1166290, 1749435, 2099322, 3148983, 3498870, 5248305, 6297966, 10496610, 15744915, 31489830]

約数ペア:

[(1, 31489830), (2, 15744915), (3, 10496610), (5, 6297966), (6, 5248305), (9, 3498870), (10, 3148983), (15, 2099322), (18, 1749435), (27, 1166290), (30, 1049661), (45, 699774), (54, 583145), (90, 349887), (135, 233258), (223, 141210), (270, 116629), (446, 70605), (523, 60210), (669, 47070), (1046, 30105), (1115, 28242), (1338, 23535), (1569, 20070), (2007, 15690), (2230, 14121), (2615, 12042), (3138, 10035), (3345, 9414), (4014, 7845), (4707, 6690), (5230, 6021)]