19956960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13859}}^1$

素因数の和:13880

約数の個数: 72

約数和(自身を含む): 68108040

約数和(自身を除く): 48151080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13859, 27718, 41577, 55436, 69295, 83154, 110872, 124731, 138590, 166308, 207885, 221744, 249462, 277180, 332616, 415770, 443488, 498924, 554360, 623655, 665232, 831540, 997848, 1108720, 1247310, 1330464, 1663080, 1995696, 2217440, 2494620, 3326160, 3991392, 4989240, 6652320, 9978480, 19956960]

約数ペア:

[(1, 19956960), (2, 9978480), (3, 6652320), (4, 4989240), (5, 3991392), (6, 3326160), (8, 2494620), (9, 2217440), (10, 1995696), (12, 1663080), (15, 1330464), (16, 1247310), (18, 1108720), (20, 997848), (24, 831540), (30, 665232), (32, 623655), (36, 554360), (40, 498924), (45, 443488), (48, 415770), (60, 332616), (72, 277180), (80, 249462), (90, 221744), (96, 207885), (120, 166308), (144, 138590), (160, 124731), (180, 110872), (240, 83154), (288, 69295), (360, 55436), (480, 41577), (720, 27718), (1440, 13859)]