20175681000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{491}}^1\times {\mathrm{13697}}^1$

素因数の和:14212

約数の個数: 128

約数和(自身を含む): 63080933760

約数和(自身を除く): 42905252760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 491, 500, 600, 750, 982, 1000, 1473, 1500, 1964, 2455, 2946, 3000, 3928, 4910, 5892, 7365, 9820, 11784, 12275, 13697, 14730, 19640, 24550, 27394, 29460, 36825, 41091, 49100, 54788, 58920, 61375, 68485, 73650, 82182, 98200, 109576, 122750, 136970, 147300, 164364, 184125, 205455, 245500, 273940, 294600, 328728, 342425, 368250, 410910, 491000, 547880, 684850, 736500, 821820, 1027275, 1369700, 1473000, 1643640, 1712125, 2054550, 2739400, 3424250, 4109100, 5136375, 6725227, 6848500, 8218200, 10272750, 13450454, 13697000, 20175681, 20545500, 26900908, 33626135, 40351362, 41091000, 53801816, 67252270, 80702724, 100878405, 134504540, 161405448, 168130675, 201756810, 269009080, 336261350, 403513620, 504392025, 672522700, 807027240, 840653375, 1008784050, 1345045400, 1681306750, 2017568100, 2521960125, 3362613500, 4035136200, 5043920250, 6725227000, 10087840500, 20175681000]

約数ペア:

[(1, 20175681000), (2, 10087840500), (3, 6725227000), (4, 5043920250), (5, 4035136200), (6, 3362613500), (8, 2521960125), (10, 2017568100), (12, 1681306750), (15, 1345045400), (20, 1008784050), (24, 840653375), (25, 807027240), (30, 672522700), (40, 504392025), (50, 403513620), (60, 336261350), (75, 269009080), (100, 201756810), (120, 168130675), (125, 161405448), (150, 134504540), (200, 100878405), (250, 80702724), (300, 67252270), (375, 53801816), (491, 41091000), (500, 40351362), (600, 33626135), (750, 26900908), (982, 20545500), (1000, 20175681), (1473, 13697000), (1500, 13450454), (1964, 10272750), (2455, 8218200), (2946, 6848500), (3000, 6725227), (3928, 5136375), (4910, 4109100), (5892, 3424250), (7365, 2739400), (9820, 2054550), (11784, 1712125), (12275, 1643640), (13697, 1473000), (14730, 1369700), (19640, 1027275), (24550, 821820), (27394, 736500), (29460, 684850), (36825, 547880), (41091, 491000), (49100, 410910), (54788, 368250), (58920, 342425), (61375, 328728), (68485, 294600), (73650, 273940), (82182, 245500), (98200, 205455), (109576, 184125), (122750, 164364), (136970, 147300)]