161860920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3347}}^1$

素因数の和:3405

約数の個数: 128

約数和(自身を含む): 539965440

約数和(自身を除く): 378104520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3347, 3720, 4030, 4836, 6045, 6694, 8060, 9672, 10041, 12090, 13388, 16120, 16735, 20082, 24180, 26776, 33470, 40164, 43511, 48360, 50205, 66940, 80328, 87022, 100410, 103757, 130533, 133880, 174044, 200820, 207514, 217555, 261066, 311271, 348088, 401640, 415028, 435110, 518785, 522132, 622542, 652665, 830056, 870220, 1037570, 1044264, 1245084, 1305330, 1348841, 1556355, 1740440, 2075140, 2490168, 2610660, 2697682, 3112710, 4046523, 4150280, 5221320, 5395364, 6225420, 6744205, 8093046, 10790728, 12450840, 13488410, 16186092, 20232615, 26976820, 32372184, 40465230, 53953640, 80930460, 161860920]

約数ペア:

[(1, 161860920), (2, 80930460), (3, 53953640), (4, 40465230), (5, 32372184), (6, 26976820), (8, 20232615), (10, 16186092), (12, 13488410), (13, 12450840), (15, 10790728), (20, 8093046), (24, 6744205), (26, 6225420), (30, 5395364), (31, 5221320), (39, 4150280), (40, 4046523), (52, 3112710), (60, 2697682), (62, 2610660), (65, 2490168), (78, 2075140), (93, 1740440), (104, 1556355), (120, 1348841), (124, 1305330), (130, 1245084), (155, 1044264), (156, 1037570), (186, 870220), (195, 830056), (248, 652665), (260, 622542), (310, 522132), (312, 518785), (372, 435110), (390, 415028), (403, 401640), (465, 348088), (520, 311271), (620, 261066), (744, 217555), (780, 207514), (806, 200820), (930, 174044), (1209, 133880), (1240, 130533), (1560, 103757), (1612, 100410), (1860, 87022), (2015, 80328), (2418, 66940), (3224, 50205), (3347, 48360), (3720, 43511), (4030, 40164), (4836, 33470), (6045, 26776), (6694, 24180), (8060, 20082), (9672, 16735), (10041, 16120), (12090, 13388)]