28819920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 93806496

約数和(自身を除く): 64986576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 227, 230, 240, 276, 345, 368, 454, 460, 529, 552, 681, 690, 908, 920, 1058, 1104, 1135, 1362, 1380, 1587, 1816, 1840, 2116, 2270, 2645, 2724, 2760, 3174, 3405, 3632, 4232, 4540, 5221, 5290, 5448, 5520, 6348, 6810, 7935, 8464, 9080, 10442, 10580, 10896, 12696, 13620, 15663, 15870, 18160, 20884, 21160, 25392, 26105, 27240, 31326, 31740, 41768, 42320, 52210, 54480, 62652, 63480, 78315, 83536, 104420, 120083, 125304, 126960, 156630, 208840, 240166, 250608, 313260, 360249, 417680, 480332, 600415, 626520, 720498, 960664, 1200830, 1253040, 1440996, 1801245, 1921328, 2401660, 2881992, 3602490, 4803320, 5763984, 7204980, 9606640, 14409960, 28819920]

約数ペア:

[(1, 28819920), (2, 14409960), (3, 9606640), (4, 7204980), (5, 5763984), (6, 4803320), (8, 3602490), (10, 2881992), (12, 2401660), (15, 1921328), (16, 1801245), (20, 1440996), (23, 1253040), (24, 1200830), (30, 960664), (40, 720498), (46, 626520), (48, 600415), (60, 480332), (69, 417680), (80, 360249), (92, 313260), (115, 250608), (120, 240166), (138, 208840), (184, 156630), (227, 126960), (230, 125304), (240, 120083), (276, 104420), (345, 83536), (368, 78315), (454, 63480), (460, 62652), (529, 54480), (552, 52210), (681, 42320), (690, 41768), (908, 31740), (920, 31326), (1058, 27240), (1104, 26105), (1135, 25392), (1362, 21160), (1380, 20884), (1587, 18160), (1816, 15870), (1840, 15663), (2116, 13620), (2270, 12696), (2645, 10896), (2724, 10580), (2760, 10442), (3174, 9080), (3405, 8464), (3632, 7935), (4232, 6810), (4540, 6348), (5221, 5520), (5290, 5448)]