28045800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{15581}}^1$

素因数の和:15603

約数の個数: 72

約数和(自身を含む): 94193190

約数和(自身を除く): 66147390

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 15581, 31162, 46743, 62324, 77905, 93486, 124648, 140229, 155810, 186972, 233715, 280458, 311620, 373944, 389525, 467430, 560916, 623240, 701145, 779050, 934860, 1121832, 1168575, 1402290, 1558100, 1869720, 2337150, 2804580, 3116200, 3505725, 4674300, 5609160, 7011450, 9348600, 14022900, 28045800]

約数ペア:

[(1, 28045800), (2, 14022900), (3, 9348600), (4, 7011450), (5, 5609160), (6, 4674300), (8, 3505725), (9, 3116200), (10, 2804580), (12, 2337150), (15, 1869720), (18, 1558100), (20, 1402290), (24, 1168575), (25, 1121832), (30, 934860), (36, 779050), (40, 701145), (45, 623240), (50, 560916), (60, 467430), (72, 389525), (75, 373944), (90, 311620), (100, 280458), (120, 233715), (150, 186972), (180, 155810), (200, 140229), (225, 124648), (300, 93486), (360, 77905), (450, 62324), (600, 46743), (900, 31162), (1800, 15581)]