16721749560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1\times {\mathrm{1283}}^1$

素因数の和:1957

約数の個数: 128

約数和(自身を含む): 50509889280

約数和(自身を除く): 33788139720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 313, 347, 626, 694, 939, 1041, 1252, 1283, 1388, 1565, 1735, 1878, 2082, 2504, 2566, 2776, 3130, 3470, 3756, 3849, 4164, 4695, 5132, 5205, 6260, 6415, 6940, 7512, 7698, 8328, 9390, 10264, 10410, 12520, 12830, 13880, 15396, 18780, 19245, 20820, 25660, 30792, 37560, 38490, 41640, 51320, 76980, 108611, 153960, 217222, 325833, 401579, 434444, 445201, 543055, 651666, 803158, 868888, 890402, 1086110, 1204737, 1303332, 1335603, 1606316, 1629165, 1780804, 2007895, 2172220, 2226005, 2409474, 2606664, 2671206, 3212632, 3258330, 3561608, 4015790, 4344440, 4452010, 4818948, 5342412, 6023685, 6516660, 6678015, 8031580, 8904020, 9637896, 10684824, 12047370, 13033320, 13356030, 16063160, 17808040, 24094740, 26712060, 48189480, 53424120, 139347913, 278695826, 418043739, 557391652, 696739565, 836087478, 1114783304, 1393479130, 1672174956, 2090218695, 2786958260, 3344349912, 4180437390, 5573916520, 8360874780, 16721749560]

約数ペア:

[(1, 16721749560), (2, 8360874780), (3, 5573916520), (4, 4180437390), (5, 3344349912), (6, 2786958260), (8, 2090218695), (10, 1672174956), (12, 1393479130), (15, 1114783304), (20, 836087478), (24, 696739565), (30, 557391652), (40, 418043739), (60, 278695826), (120, 139347913), (313, 53424120), (347, 48189480), (626, 26712060), (694, 24094740), (939, 17808040), (1041, 16063160), (1252, 13356030), (1283, 13033320), (1388, 12047370), (1565, 10684824), (1735, 9637896), (1878, 8904020), (2082, 8031580), (2504, 6678015), (2566, 6516660), (2776, 6023685), (3130, 5342412), (3470, 4818948), (3756, 4452010), (3849, 4344440), (4164, 4015790), (4695, 3561608), (5132, 3258330), (5205, 3212632), (6260, 2671206), (6415, 2606664), (6940, 2409474), (7512, 2226005), (7698, 2172220), (8328, 2007895), (9390, 1780804), (10264, 1629165), (10410, 1606316), (12520, 1335603), (12830, 1303332), (13880, 1204737), (15396, 1086110), (18780, 890402), (19245, 868888), (20820, 803158), (25660, 651666), (30792, 543055), (37560, 445201), (38490, 434444), (41640, 401579), (51320, 325833), (76980, 217222), (108611, 153960)]