About the Number

12371280

12371279 ← → 12371281

2進数表記:101111001100010101010000

漢数字表記:千二百三十七万千二百八十

素因数分解:

2 4 × 3 1 × 5 1 × 19 1 × 2713 1

素因数の和:2748
約数の個数: 80
約数和(自身を含む): 40384320
約数和(自身を除く): 28013040

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 2713, 4560, 5426, 8139, 10852, 13565, 16278, 21704, 27130, 32556, 40695, 43408, 51547, 54260, 65112, 81390, 103094, 108520, 130224, 154641, 162780, 206188, 217040, 257735, 309282, 325560, 412376, 515470, 618564, 651120, 773205, 824752, 1030940, 1237128, 1546410, 2061880, 2474256, 3092820, 4123760, 6185640, 12371280]

約数ペア:
[(1, 12371280), (2, 6185640), (3, 4123760), (4, 3092820), (5, 2474256), (6, 2061880), (8, 1546410), (10, 1237128), (12, 1030940), (15, 824752), (16, 773205), (19, 651120), (20, 618564), (24, 515470), (30, 412376), (38, 325560), (40, 309282), (48, 257735), (57, 217040), (60, 206188), (76, 162780), (80, 154641), (95, 130224), (114, 108520), (120, 103094), (152, 81390), (190, 65112), (228, 54260), (240, 51547), (285, 43408), (304, 40695), (380, 32556), (456, 27130), (570, 21704), (760, 16278), (912, 13565), (1140, 10852), (1520, 8139), (2280, 5426), (2713, 4560)]

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