About the Number

2140170720

2140170719 ← → 2140170721

2進数表記:1111111100100000110100111100000

漢数字表記:二十一億四千十七万七百二十

素因数分解:

2 5 × 3 1 × 5 1 × 59 1 × 75571 1

素因数の和:75648
約数の個数: 96
約数和(自身を含む): 6855891840
約数和(自身を除く): 4715721120

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 80, 96, 118, 120, 160, 177, 236, 240, 295, 354, 472, 480, 590, 708, 885, 944, 1180, 1416, 1770, 1888, 2360, 2832, 3540, 4720, 5664, 7080, 9440, 14160, 28320, 75571, 151142, 226713, 302284, 377855, 453426, 604568, 755710, 906852, 1133565, 1209136, 1511420, 1813704, 2267130, 2418272, 3022840, 3627408, 4458689, 4534260, 6045680, 7254816, 8917378, 9068520, 12091360, 13376067, 17834756, 18137040, 22293445, 26752134, 35669512, 36274080, 44586890, 53504268, 66880335, 71339024, 89173780, 107008536, 133760670, 142678048, 178347560, 214017072, 267521340, 356695120, 428034144, 535042680, 713390240, 1070085360, 2140170720]

約数ペア:
[(1, 2140170720), (2, 1070085360), (3, 713390240), (4, 535042680), (5, 428034144), (6, 356695120), (8, 267521340), (10, 214017072), (12, 178347560), (15, 142678048), (16, 133760670), (20, 107008536), (24, 89173780), (30, 71339024), (32, 66880335), (40, 53504268), (48, 44586890), (59, 36274080), (60, 35669512), (80, 26752134), (96, 22293445), (118, 18137040), (120, 17834756), (160, 13376067), (177, 12091360), (236, 9068520), (240, 8917378), (295, 7254816), (354, 6045680), (472, 4534260), (480, 4458689), (590, 3627408), (708, 3022840), (885, 2418272), (944, 2267130), (1180, 1813704), (1416, 1511420), (1770, 1209136), (1888, 1133565), (2360, 906852), (2832, 755710), (3540, 604568), (4720, 453426), (5664, 377855), (7080, 302284), (9440, 226713), (14160, 151142), (28320, 75571)]

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