28603980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{433}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 87202752

約数和(自身を除く): 58598772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 367, 433, 734, 866, 1101, 1299, 1468, 1732, 1835, 2165, 2202, 2598, 3303, 3670, 3897, 4330, 4404, 5196, 5505, 6495, 6606, 7340, 7794, 8660, 11010, 12990, 13212, 15588, 16515, 19485, 22020, 25980, 33030, 38970, 66060, 77940, 158911, 317822, 476733, 635644, 794555, 953466, 1430199, 1589110, 1906932, 2383665, 2860398, 3178220, 4767330, 5720796, 7150995, 9534660, 14301990, 28603980]

約数ペア:

[(1, 28603980), (2, 14301990), (3, 9534660), (4, 7150995), (5, 5720796), (6, 4767330), (9, 3178220), (10, 2860398), (12, 2383665), (15, 1906932), (18, 1589110), (20, 1430199), (30, 953466), (36, 794555), (45, 635644), (60, 476733), (90, 317822), (180, 158911), (367, 77940), (433, 66060), (734, 38970), (866, 33030), (1101, 25980), (1299, 22020), (1468, 19485), (1732, 16515), (1835, 15588), (2165, 13212), (2202, 12990), (2598, 11010), (3303, 8660), (3670, 7794), (3897, 7340), (4330, 6606), (4404, 6495), (5196, 5505)]