1226781720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2711}}^1$

素因数の和:3150

約数の個数: 128

約数和(自身を含む): 4100544000

約数和(自身を除く): 2873762280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 419, 540, 838, 1080, 1257, 1676, 2095, 2514, 2711, 3352, 3771, 4190, 5028, 5422, 6285, 7542, 8133, 8380, 10056, 10844, 11313, 12570, 13555, 15084, 16266, 16760, 18855, 21688, 22626, 24399, 25140, 27110, 30168, 32532, 37710, 40665, 45252, 48798, 50280, 54220, 56565, 65064, 73197, 75420, 81330, 90504, 97596, 108440, 113130, 121995, 146394, 150840, 162660, 195192, 226260, 243990, 292788, 325320, 365985, 452520, 487980, 585576, 731970, 975960, 1135909, 1463940, 2271818, 2927880, 3407727, 4543636, 5679545, 6815454, 9087272, 10223181, 11359090, 13630908, 17038635, 20446362, 22718180, 27261816, 30669543, 34077270, 40892724, 45436360, 51115905, 61339086, 68154540, 81785448, 102231810, 122678172, 136309080, 153347715, 204463620, 245356344, 306695430, 408927240, 613390860, 1226781720]

約数ペア:

[(1, 1226781720), (2, 613390860), (3, 408927240), (4, 306695430), (5, 245356344), (6, 204463620), (8, 153347715), (9, 136309080), (10, 122678172), (12, 102231810), (15, 81785448), (18, 68154540), (20, 61339086), (24, 51115905), (27, 45436360), (30, 40892724), (36, 34077270), (40, 30669543), (45, 27261816), (54, 22718180), (60, 20446362), (72, 17038635), (90, 13630908), (108, 11359090), (120, 10223181), (135, 9087272), (180, 6815454), (216, 5679545), (270, 4543636), (360, 3407727), (419, 2927880), (540, 2271818), (838, 1463940), (1080, 1135909), (1257, 975960), (1676, 731970), (2095, 585576), (2514, 487980), (2711, 452520), (3352, 365985), (3771, 325320), (4190, 292788), (5028, 243990), (5422, 226260), (6285, 195192), (7542, 162660), (8133, 150840), (8380, 146394), (10056, 121995), (10844, 113130), (11313, 108440), (12570, 97596), (13555, 90504), (15084, 81330), (16266, 75420), (16760, 73197), (18855, 65064), (21688, 56565), (22626, 54220), (24399, 50280), (25140, 48798), (27110, 45252), (30168, 40665), (32532, 37710)]