1520261720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{12923}}^1$

素因数の和:13124

約数の個数: 64

約数和(自身を含む): 3643017120

約数和(自身を除く): 2122755400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 173, 340, 346, 680, 692, 865, 1384, 1730, 2941, 3460, 5882, 6920, 11764, 12923, 14705, 23528, 25846, 29410, 51692, 58820, 64615, 103384, 117640, 129230, 219691, 258460, 439382, 516920, 878764, 1098455, 1757528, 2196910, 2235679, 4393820, 4471358, 8787640, 8942716, 11178395, 17885432, 22356790, 38006543, 44713580, 76013086, 89427160, 152026172, 190032715, 304052344, 380065430, 760130860, 1520261720]

約数ペア:

[(1, 1520261720), (2, 760130860), (4, 380065430), (5, 304052344), (8, 190032715), (10, 152026172), (17, 89427160), (20, 76013086), (34, 44713580), (40, 38006543), (68, 22356790), (85, 17885432), (136, 11178395), (170, 8942716), (173, 8787640), (340, 4471358), (346, 4393820), (680, 2235679), (692, 2196910), (865, 1757528), (1384, 1098455), (1730, 878764), (2941, 516920), (3460, 439382), (5882, 258460), (6920, 219691), (11764, 129230), (12923, 117640), (14705, 103384), (23528, 64615), (25846, 58820), (29410, 51692)]