61991190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{523}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 166003200

約数和(自身を除く): 104012010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 439, 523, 878, 1046, 1317, 1569, 2195, 2615, 2634, 3138, 3951, 4390, 4707, 5230, 6585, 7845, 7902, 9414, 11853, 13170, 14121, 15690, 19755, 23535, 23706, 28242, 39510, 47070, 59265, 70605, 118530, 141210, 229597, 459194, 688791, 1147985, 1377582, 2066373, 2295970, 3443955, 4132746, 6199119, 6887910, 10331865, 12398238, 20663730, 30995595, 61991190]

約数ペア:

[(1, 61991190), (2, 30995595), (3, 20663730), (5, 12398238), (6, 10331865), (9, 6887910), (10, 6199119), (15, 4132746), (18, 3443955), (27, 2295970), (30, 2066373), (45, 1377582), (54, 1147985), (90, 688791), (135, 459194), (270, 229597), (439, 141210), (523, 118530), (878, 70605), (1046, 59265), (1317, 47070), (1569, 39510), (2195, 28242), (2615, 23706), (2634, 23535), (3138, 19755), (3951, 15690), (4390, 14121), (4707, 13170), (5230, 11853), (6585, 9414), (7845, 7902)]