102805020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1301}}^1$

素因数の和:1755

約数の個数: 72

約数和(自身を含む): 312792480

約数和(自身を除く): 209987460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1301, 1317, 1756, 2195, 2602, 2634, 3903, 3951, 4390, 5204, 5268, 6505, 6585, 7806, 7902, 8780, 11709, 13010, 13170, 15612, 15804, 19515, 19755, 23418, 26020, 26340, 39030, 39510, 46836, 58545, 78060, 79020, 117090, 234180, 571139, 1142278, 1713417, 2284556, 2855695, 3426834, 5140251, 5711390, 6853668, 8567085, 10280502, 11422780, 17134170, 20561004, 25701255, 34268340, 51402510, 102805020]

約数ペア:

[(1, 102805020), (2, 51402510), (3, 34268340), (4, 25701255), (5, 20561004), (6, 17134170), (9, 11422780), (10, 10280502), (12, 8567085), (15, 6853668), (18, 5711390), (20, 5140251), (30, 3426834), (36, 2855695), (45, 2284556), (60, 1713417), (90, 1142278), (180, 571139), (439, 234180), (878, 117090), (1301, 79020), (1317, 78060), (1756, 58545), (2195, 46836), (2602, 39510), (2634, 39030), (3903, 26340), (3951, 26020), (4390, 23418), (5204, 19755), (5268, 19515), (6505, 15804), (6585, 15612), (7806, 13170), (7902, 13010), (8780, 11709)]