320883408

素因数分解:

$2^4\times 3^2\times {\mathrm{401}}^1\times {\mathrm{5557}}^1$

素因数の和:5972

約数の個数: 60

約数和(自身を含む): 900429348

約数和(自身を除く): 579545940

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 401, 802, 1203, 1604, 2406, 3208, 3609, 4812, 5557, 6416, 7218, 9624, 11114, 14436, 16671, 19248, 22228, 28872, 33342, 44456, 50013, 57744, 66684, 88912, 100026, 133368, 200052, 266736, 400104, 800208, 2228357, 4456714, 6685071, 8913428, 13370142, 17826856, 20055213, 26740284, 35653712, 40110426, 53480568, 80220852, 106961136, 160441704, 320883408]

約数ペア:

[(1, 320883408), (2, 160441704), (3, 106961136), (4, 80220852), (6, 53480568), (8, 40110426), (9, 35653712), (12, 26740284), (16, 20055213), (18, 17826856), (24, 13370142), (36, 8913428), (48, 6685071), (72, 4456714), (144, 2228357), (401, 800208), (802, 400104), (1203, 266736), (1604, 200052), (2406, 133368), (3208, 100026), (3609, 88912), (4812, 66684), (5557, 57744), (6416, 50013), (7218, 44456), (9624, 33342), (11114, 28872), (14436, 22228), (16671, 19248)]