208180702980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{18481}}^1\times {\mathrm{62581}}^1$

素因数の和:81077

約数の個数: 72

約数和(自身を含む): 631525726104

約数和(自身を除く): 423345023124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 18481, 36962, 55443, 62581, 73924, 92405, 110886, 125162, 166329, 184810, 187743, 221772, 250324, 277215, 312905, 332658, 369620, 375486, 554430, 563229, 625810, 665316, 750972, 831645, 938715, 1108860, 1126458, 1251620, 1663290, 1877430, 2252916, 2816145, 3326580, 3754860, 5632290, 11264580, 1156559461, 2313118922, 3469678383, 4626237844, 5782797305, 6939356766, 10409035149, 11565594610, 13878713532, 17348391915, 20818070298, 23131189220, 34696783830, 41636140596, 52045175745, 69393567660, 104090351490, 208180702980]

約数ペア:

[(1, 208180702980), (2, 104090351490), (3, 69393567660), (4, 52045175745), (5, 41636140596), (6, 34696783830), (9, 23131189220), (10, 20818070298), (12, 17348391915), (15, 13878713532), (18, 11565594610), (20, 10409035149), (30, 6939356766), (36, 5782797305), (45, 4626237844), (60, 3469678383), (90, 2313118922), (180, 1156559461), (18481, 11264580), (36962, 5632290), (55443, 3754860), (62581, 3326580), (73924, 2816145), (92405, 2252916), (110886, 1877430), (125162, 1663290), (166329, 1251620), (184810, 1126458), (187743, 1108860), (221772, 938715), (250324, 831645), (277215, 750972), (312905, 665316), (332658, 625810), (369620, 563229), (375486, 554430)]