320499180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5347}}^1$

素因数の和:5405

約数の個数: 120

約数和(自身を含む): 1032784368

約数和(自身を除く): 712285188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 540, 555, 666, 740, 810, 999, 1110, 1332, 1620, 1665, 1998, 2220, 2997, 3330, 3996, 4995, 5347, 5994, 6660, 9990, 10694, 11988, 14985, 16041, 19980, 21388, 26735, 29970, 32082, 48123, 53470, 59940, 64164, 80205, 96246, 106940, 144369, 160410, 192492, 197839, 240615, 288738, 320820, 395678, 433107, 481230, 577476, 593517, 721845, 791356, 866214, 962460, 989195, 1187034, 1443690, 1732428, 1780551, 1978390, 2165535, 2374068, 2887380, 2967585, 3561102, 3956780, 4331070, 5341653, 5935170, 7122204, 8662140, 8902755, 10683306, 11870340, 16024959, 17805510, 21366612, 26708265, 32049918, 35611020, 53416530, 64099836, 80124795, 106833060, 160249590, 320499180]

約数ペア:

[(1, 320499180), (2, 160249590), (3, 106833060), (4, 80124795), (5, 64099836), (6, 53416530), (9, 35611020), (10, 32049918), (12, 26708265), (15, 21366612), (18, 17805510), (20, 16024959), (27, 11870340), (30, 10683306), (36, 8902755), (37, 8662140), (45, 7122204), (54, 5935170), (60, 5341653), (74, 4331070), (81, 3956780), (90, 3561102), (108, 2967585), (111, 2887380), (135, 2374068), (148, 2165535), (162, 1978390), (180, 1780551), (185, 1732428), (222, 1443690), (270, 1187034), (324, 989195), (333, 962460), (370, 866214), (405, 791356), (444, 721845), (540, 593517), (555, 577476), (666, 481230), (740, 433107), (810, 395678), (999, 320820), (1110, 288738), (1332, 240615), (1620, 197839), (1665, 192492), (1998, 160410), (2220, 144369), (2997, 106940), (3330, 96246), (3996, 80205), (4995, 64164), (5347, 59940), (5994, 53470), (6660, 48123), (9990, 32082), (10694, 29970), (11988, 26735), (14985, 21388), (16041, 19980)]