202462980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{181}}^2$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 575580096

約数和(自身を除く): 373117116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 181, 206, 309, 362, 412, 515, 543, 618, 724, 905, 1030, 1086, 1236, 1545, 1810, 2060, 2172, 2715, 3090, 3620, 5430, 6180, 10860, 18643, 32761, 37286, 55929, 65522, 74572, 93215, 98283, 111858, 131044, 163805, 186430, 196566, 223716, 279645, 327610, 372860, 393132, 491415, 559290, 655220, 982830, 1118580, 1965660, 3374383, 6748766, 10123149, 13497532, 16871915, 20246298, 33743830, 40492596, 50615745, 67487660, 101231490, 202462980]

約数ペア:

[(1, 202462980), (2, 101231490), (3, 67487660), (4, 50615745), (5, 40492596), (6, 33743830), (10, 20246298), (12, 16871915), (15, 13497532), (20, 10123149), (30, 6748766), (60, 3374383), (103, 1965660), (181, 1118580), (206, 982830), (309, 655220), (362, 559290), (412, 491415), (515, 393132), (543, 372860), (618, 327610), (724, 279645), (905, 223716), (1030, 196566), (1086, 186430), (1236, 163805), (1545, 131044), (1810, 111858), (2060, 98283), (2172, 93215), (2715, 74572), (3090, 65522), (3620, 55929), (5430, 37286), (6180, 32761), (10860, 18643)]