28860300

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{509}}^1$

素因数の和:542

約数の個数: 180

約数和(自身を含む): 107128560

約数和(自身を除く): 78268260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 378, 405, 420, 450, 509, 525, 540, 567, 630, 675, 700, 756, 810, 900, 945, 1018, 1050, 1134, 1260, 1350, 1527, 1575, 1620, 1890, 2025, 2036, 2100, 2268, 2545, 2700, 2835, 3054, 3150, 3563, 3780, 4050, 4581, 4725, 5090, 5670, 6108, 6300, 7126, 7635, 8100, 9162, 9450, 10180, 10689, 11340, 12725, 13743, 14175, 14252, 15270, 17815, 18324, 18900, 21378, 22905, 25450, 27486, 28350, 30540, 32067, 35630, 38175, 41229, 42756, 45810, 50900, 53445, 54972, 56700, 64134, 68715, 71260, 76350, 82458, 89075, 91620, 96201, 106890, 114525, 128268, 137430, 152700, 160335, 164916, 178150, 192402, 206145, 213780, 229050, 267225, 274860, 288603, 320670, 343575, 356300, 384804, 412290, 458100, 481005, 534450, 577206, 641340, 687150, 801675, 824580, 962010, 1030725, 1068900, 1154412, 1374300, 1443015, 1603350, 1924020, 2061450, 2405025, 2886030, 3206700, 4122900, 4810050, 5772060, 7215075, 9620100, 14430150, 28860300]

約数ペア:

[(1, 28860300), (2, 14430150), (3, 9620100), (4, 7215075), (5, 5772060), (6, 4810050), (7, 4122900), (9, 3206700), (10, 2886030), (12, 2405025), (14, 2061450), (15, 1924020), (18, 1603350), (20, 1443015), (21, 1374300), (25, 1154412), (27, 1068900), (28, 1030725), (30, 962010), (35, 824580), (36, 801675), (42, 687150), (45, 641340), (50, 577206), (54, 534450), (60, 481005), (63, 458100), (70, 412290), (75, 384804), (81, 356300), (84, 343575), (90, 320670), (100, 288603), (105, 274860), (108, 267225), (126, 229050), (135, 213780), (140, 206145), (150, 192402), (162, 178150), (175, 164916), (180, 160335), (189, 152700), (210, 137430), (225, 128268), (252, 114525), (270, 106890), (300, 96201), (315, 91620), (324, 89075), (350, 82458), (378, 76350), (405, 71260), (420, 68715), (450, 64134), (509, 56700), (525, 54972), (540, 53445), (567, 50900), (630, 45810), (675, 42756), (700, 41229), (756, 38175), (810, 35630), (900, 32067), (945, 30540), (1018, 28350), (1050, 27486), (1134, 25450), (1260, 22905), (1350, 21378), (1527, 18900), (1575, 18324), (1620, 17815), (1890, 15270), (2025, 14252), (2036, 14175), (2100, 13743), (2268, 12725), (2545, 11340), (2700, 10689), (2835, 10180), (3054, 9450), (3150, 9162), (3563, 8100), (3780, 7635), (4050, 7126), (4581, 6300), (4725, 6108), (5090, 5670)]