21320070720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1708339}}^1$

素因数の和:1708372

約数の個数: 112

約数和(自身を含む): 72898284480

約数和(自身を除く): 51578213760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 1708339, 3416678, 5125017, 6833356, 8541695, 10250034, 13666712, 17083390, 20500068, 22208407, 25625085, 27333424, 34166780, 41000136, 44416814, 51250170, 54666848, 66625221, 68333560, 82000272, 88833628, 102500340, 109333696, 111042035, 133250442, 136667120, 164000544, 177667256, 205000680, 222084070, 266500884, 273334240, 328001088, 333126105, 355334512, 410001360, 444168140, 533001768, 546668480, 666252210, 710669024, 820002720, 888336280, 1066003536, 1332504420, 1421338048, 1640005440, 1776672560, 2132007072, 2665008840, 3553345120, 4264014144, 5330017680, 7106690240, 10660035360, 21320070720]

約数ペア:

[(1, 21320070720), (2, 10660035360), (3, 7106690240), (4, 5330017680), (5, 4264014144), (6, 3553345120), (8, 2665008840), (10, 2132007072), (12, 1776672560), (13, 1640005440), (15, 1421338048), (16, 1332504420), (20, 1066003536), (24, 888336280), (26, 820002720), (30, 710669024), (32, 666252210), (39, 546668480), (40, 533001768), (48, 444168140), (52, 410001360), (60, 355334512), (64, 333126105), (65, 328001088), (78, 273334240), (80, 266500884), (96, 222084070), (104, 205000680), (120, 177667256), (130, 164000544), (156, 136667120), (160, 133250442), (192, 111042035), (195, 109333696), (208, 102500340), (240, 88833628), (260, 82000272), (312, 68333560), (320, 66625221), (390, 54666848), (416, 51250170), (480, 44416814), (520, 41000136), (624, 34166780), (780, 27333424), (832, 25625085), (960, 22208407), (1040, 20500068), (1248, 17083390), (1560, 13666712), (2080, 10250034), (2496, 8541695), (3120, 6833356), (4160, 5125017), (6240, 3416678), (12480, 1708339)]