268486740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17971}}^1$

素因数の和:18069

約数の個数: 72

約数和(自身を含む): 824267808

約数和(自身を除く): 555781068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 17971, 35942, 53913, 71884, 89855, 107826, 161739, 179710, 215652, 269565, 323478, 359420, 539130, 646956, 808695, 1078260, 1491593, 1617390, 2983186, 3234780, 4474779, 5966372, 7457965, 8949558, 13424337, 14915930, 17899116, 22373895, 26848674, 29831860, 44747790, 53697348, 67121685, 89495580, 134243370, 268486740]

約数ペア:

[(1, 268486740), (2, 134243370), (3, 89495580), (4, 67121685), (5, 53697348), (6, 44747790), (9, 29831860), (10, 26848674), (12, 22373895), (15, 17899116), (18, 14915930), (20, 13424337), (30, 8949558), (36, 7457965), (45, 5966372), (60, 4474779), (83, 3234780), (90, 2983186), (166, 1617390), (180, 1491593), (249, 1078260), (332, 808695), (415, 646956), (498, 539130), (747, 359420), (830, 323478), (996, 269565), (1245, 215652), (1494, 179710), (1660, 161739), (2490, 107826), (2988, 89855), (3735, 71884), (4980, 53913), (7470, 35942), (14940, 17971)]