About the Number

13002780

13002779 ← → 13002781

2進数表記:110001100110100000011100

漢数字表記:千三百万二千七百八十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 83 1 × 373 1

素因数の和:475
約数の個数: 96
約数和(自身を含む): 42223104
約数和(自身を除く): 29220324

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 373, 415, 420, 498, 581, 746, 830, 996, 1119, 1162, 1245, 1492, 1660, 1743, 1865, 2238, 2324, 2490, 2611, 2905, 3486, 3730, 4476, 4980, 5222, 5595, 5810, 6972, 7460, 7833, 8715, 10444, 11190, 11620, 13055, 15666, 17430, 22380, 26110, 30959, 31332, 34860, 39165, 52220, 61918, 78330, 92877, 123836, 154795, 156660, 185754, 216713, 309590, 371508, 433426, 464385, 619180, 650139, 866852, 928770, 1083565, 1300278, 1857540, 2167130, 2600556, 3250695, 4334260, 6501390, 13002780]

約数ペア:
[(1, 13002780), (2, 6501390), (3, 4334260), (4, 3250695), (5, 2600556), (6, 2167130), (7, 1857540), (10, 1300278), (12, 1083565), (14, 928770), (15, 866852), (20, 650139), (21, 619180), (28, 464385), (30, 433426), (35, 371508), (42, 309590), (60, 216713), (70, 185754), (83, 156660), (84, 154795), (105, 123836), (140, 92877), (166, 78330), (210, 61918), (249, 52220), (332, 39165), (373, 34860), (415, 31332), (420, 30959), (498, 26110), (581, 22380), (746, 17430), (830, 15666), (996, 13055), (1119, 11620), (1162, 11190), (1245, 10444), (1492, 8715), (1660, 7833), (1743, 7460), (1865, 6972), (2238, 5810), (2324, 5595), (2490, 5222), (2611, 4980), (2905, 4476), (3486, 3730)]

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