15691140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 47960640

約数和(自身を除く): 32269500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 487, 537, 716, 895, 974, 1074, 1461, 1611, 1790, 1948, 2148, 2435, 2685, 2922, 3222, 3580, 4383, 4870, 5370, 5844, 6444, 7305, 8055, 8766, 9740, 10740, 14610, 16110, 17532, 21915, 29220, 32220, 43830, 87173, 87660, 174346, 261519, 348692, 435865, 523038, 784557, 871730, 1046076, 1307595, 1569114, 1743460, 2615190, 3138228, 3922785, 5230380, 7845570, 15691140]

約数ペア:

[(1, 15691140), (2, 7845570), (3, 5230380), (4, 3922785), (5, 3138228), (6, 2615190), (9, 1743460), (10, 1569114), (12, 1307595), (15, 1046076), (18, 871730), (20, 784557), (30, 523038), (36, 435865), (45, 348692), (60, 261519), (90, 174346), (179, 87660), (180, 87173), (358, 43830), (487, 32220), (537, 29220), (716, 21915), (895, 17532), (974, 16110), (1074, 14610), (1461, 10740), (1611, 9740), (1790, 8766), (1948, 8055), (2148, 7305), (2435, 6444), (2685, 5844), (2922, 5370), (3222, 4870), (3580, 4383)]