71392240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 173024640

約数和(自身を除く): 101632400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 148, 178, 185, 271, 296, 356, 370, 445, 542, 592, 712, 740, 890, 1084, 1355, 1424, 1480, 1780, 2168, 2710, 2960, 3293, 3560, 4336, 5420, 6586, 7120, 10027, 10840, 13172, 16465, 20054, 21680, 24119, 26344, 32930, 40108, 48238, 50135, 52688, 65860, 80216, 96476, 100270, 120595, 131720, 160432, 192952, 200540, 241190, 263440, 385904, 401080, 482380, 802160, 892403, 964760, 1784806, 1929520, 3569612, 4462015, 7139224, 8924030, 14278448, 17848060, 35696120, 71392240]

約数ペア:

[(1, 71392240), (2, 35696120), (4, 17848060), (5, 14278448), (8, 8924030), (10, 7139224), (16, 4462015), (20, 3569612), (37, 1929520), (40, 1784806), (74, 964760), (80, 892403), (89, 802160), (148, 482380), (178, 401080), (185, 385904), (271, 263440), (296, 241190), (356, 200540), (370, 192952), (445, 160432), (542, 131720), (592, 120595), (712, 100270), (740, 96476), (890, 80216), (1084, 65860), (1355, 52688), (1424, 50135), (1480, 48238), (1780, 40108), (2168, 32930), (2710, 26344), (2960, 24119), (3293, 21680), (3560, 20054), (4336, 16465), (5420, 13172), (6586, 10840), (7120, 10027)]