72776320

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6689}}^1$

素因数の和:6725

約数の個数: 64

約数和(自身を含む): 184242600

約数和(自身を除く): 111466280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 6689, 10880, 13378, 26756, 33445, 53512, 66890, 107024, 113713, 133780, 214048, 227426, 267560, 428096, 454852, 535120, 568565, 856192, 909704, 1070240, 1137130, 1819408, 2140480, 2274260, 3638816, 4280960, 4548520, 7277632, 9097040, 14555264, 18194080, 36388160, 72776320]

約数ペア:

[(1, 72776320), (2, 36388160), (4, 18194080), (5, 14555264), (8, 9097040), (10, 7277632), (16, 4548520), (17, 4280960), (20, 3638816), (32, 2274260), (34, 2140480), (40, 1819408), (64, 1137130), (68, 1070240), (80, 909704), (85, 856192), (128, 568565), (136, 535120), (160, 454852), (170, 428096), (272, 267560), (320, 227426), (340, 214048), (544, 133780), (640, 113713), (680, 107024), (1088, 66890), (1360, 53512), (2176, 33445), (2720, 26756), (5440, 13378), (6689, 10880)]