15378960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 48121920

約数和(自身を除く): 32742960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 461, 556, 695, 834, 922, 1112, 1383, 1390, 1668, 1844, 2085, 2224, 2305, 2766, 2780, 3336, 3688, 4170, 4610, 5532, 5560, 6672, 6915, 7376, 8340, 9220, 11064, 11120, 13830, 16680, 18440, 22128, 27660, 33360, 36880, 55320, 64079, 110640, 128158, 192237, 256316, 320395, 384474, 512632, 640790, 768948, 961185, 1025264, 1281580, 1537896, 1922370, 2563160, 3075792, 3844740, 5126320, 7689480, 15378960]

約数ペア:

[(1, 15378960), (2, 7689480), (3, 5126320), (4, 3844740), (5, 3075792), (6, 2563160), (8, 1922370), (10, 1537896), (12, 1281580), (15, 1025264), (16, 961185), (20, 768948), (24, 640790), (30, 512632), (40, 384474), (48, 320395), (60, 256316), (80, 192237), (120, 128158), (139, 110640), (240, 64079), (278, 55320), (417, 36880), (461, 33360), (556, 27660), (695, 22128), (834, 18440), (922, 16680), (1112, 13830), (1383, 11120), (1390, 11064), (1668, 9220), (1844, 8340), (2085, 7376), (2224, 6915), (2305, 6672), (2766, 5560), (2780, 5532), (3336, 4610), (3688, 4170)]