78016920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1229}}^1$

素因数の和:1289

約数の個数: 96

約数和(自身を含む): 244868400

約数和(自身を除く): 166851480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 529, 552, 690, 920, 1058, 1229, 1380, 1587, 2116, 2458, 2645, 2760, 3174, 3687, 4232, 4916, 5290, 6145, 6348, 7374, 7935, 9832, 10580, 12290, 12696, 14748, 15870, 18435, 21160, 24580, 28267, 29496, 31740, 36870, 49160, 56534, 63480, 73740, 84801, 113068, 141335, 147480, 169602, 226136, 282670, 339204, 424005, 565340, 650141, 678408, 848010, 1130680, 1300282, 1696020, 1950423, 2600564, 3250705, 3392040, 3900846, 5201128, 6501410, 7801692, 9752115, 13002820, 15603384, 19504230, 26005640, 39008460, 78016920]

約数ペア:

[(1, 78016920), (2, 39008460), (3, 26005640), (4, 19504230), (5, 15603384), (6, 13002820), (8, 9752115), (10, 7801692), (12, 6501410), (15, 5201128), (20, 3900846), (23, 3392040), (24, 3250705), (30, 2600564), (40, 1950423), (46, 1696020), (60, 1300282), (69, 1130680), (92, 848010), (115, 678408), (120, 650141), (138, 565340), (184, 424005), (230, 339204), (276, 282670), (345, 226136), (460, 169602), (529, 147480), (552, 141335), (690, 113068), (920, 84801), (1058, 73740), (1229, 63480), (1380, 56534), (1587, 49160), (2116, 36870), (2458, 31740), (2645, 29496), (2760, 28267), (3174, 24580), (3687, 21160), (4232, 18435), (4916, 15870), (5290, 14748), (6145, 12696), (6348, 12290), (7374, 10580), (7935, 9832)]