28502520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 89586000

約数和(自身を除く): 61083480

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, 449, 460, 529, 552, 690, 898, 920, 1058, 1347, 1380, 1587, 1796, 2116, 2245, 2645, 2694, 2760, 3174, 3592, 4232, 4490, 5290, 5388, 6348, 6735, 7935, 8980, 10327, 10580, 10776, 12696, 13470, 15870, 17960, 20654, 21160, 26940, 30981, 31740, 41308, 51635, 53880, 61962, 63480, 82616, 103270, 123924, 154905, 206540, 237521, 247848, 309810, 413080, 475042, 619620, 712563, 950084, 1187605, 1239240, 1425126, 1900168, 2375210, 2850252, 3562815, 4750420, 5700504, 7125630, 9500840, 14251260, 28502520]

約数ペア:

[(1, 28502520), (2, 14251260), (3, 9500840), (4, 7125630), (5, 5700504), (6, 4750420), (8, 3562815), (10, 2850252), (12, 2375210), (15, 1900168), (20, 1425126), (23, 1239240), (24, 1187605), (30, 950084), (40, 712563), (46, 619620), (60, 475042), (69, 413080), (92, 309810), (115, 247848), (120, 237521), (138, 206540), (184, 154905), (230, 123924), (276, 103270), (345, 82616), (449, 63480), (460, 61962), (529, 53880), (552, 51635), (690, 41308), (898, 31740), (920, 30981), (1058, 26940), (1347, 21160), (1380, 20654), (1587, 17960), (1796, 15870), (2116, 13470), (2245, 12696), (2645, 10776), (2694, 10580), (2760, 10327), (3174, 8980), (3592, 7935), (4232, 6735), (4490, 6348), (5290, 5388)]