71769880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19717}}^1$

素因数の和:19748

約数の個数: 64

約数和(自身を含む): 198757440

約数和(自身を除く): 126987560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 19717, 39434, 78868, 98585, 138019, 157736, 197170, 256321, 276038, 394340, 512642, 552076, 690095, 788680, 1025284, 1104152, 1281605, 1380190, 1794247, 2050568, 2563210, 2760380, 3588494, 5126420, 5520760, 7176988, 8971235, 10252840, 14353976, 17942470, 35884940, 71769880]

約数ペア:

[(1, 71769880), (2, 35884940), (4, 17942470), (5, 14353976), (7, 10252840), (8, 8971235), (10, 7176988), (13, 5520760), (14, 5126420), (20, 3588494), (26, 2760380), (28, 2563210), (35, 2050568), (40, 1794247), (52, 1380190), (56, 1281605), (65, 1104152), (70, 1025284), (91, 788680), (104, 690095), (130, 552076), (140, 512642), (182, 394340), (260, 276038), (280, 256321), (364, 197170), (455, 157736), (520, 138019), (728, 98585), (910, 78868), (1820, 39434), (3640, 19717)]