1997626800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{128053}}^1$

素因数の和:128087

約数の個数: 120

約数和(自身を含む): 6891354064

約数和(自身を除く): 4893727264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1560, 1950, 2600, 3120, 3900, 5200, 7800, 15600, 128053, 256106, 384159, 512212, 640265, 768318, 1024424, 1280530, 1536636, 1664689, 1920795, 2048848, 2561060, 3073272, 3201325, 3329378, 3841590, 4994067, 5122120, 6146544, 6402650, 6658756, 7683180, 8323445, 9603975, 9988134, 10244240, 12805300, 13317512, 15366360, 16646890, 19207950, 19976268, 24970335, 25610600, 26635024, 30732720, 33293780, 38415900, 39952536, 41617225, 49940670, 51221200, 66587560, 76831800, 79905072, 83234450, 99881340, 124851675, 133175120, 153663600, 166468900, 199762680, 249703350, 332937800, 399525360, 499406700, 665875600, 998813400, 1997626800]

約数ペア:

[(1, 1997626800), (2, 998813400), (3, 665875600), (4, 499406700), (5, 399525360), (6, 332937800), (8, 249703350), (10, 199762680), (12, 166468900), (13, 153663600), (15, 133175120), (16, 124851675), (20, 99881340), (24, 83234450), (25, 79905072), (26, 76831800), (30, 66587560), (39, 51221200), (40, 49940670), (48, 41617225), (50, 39952536), (52, 38415900), (60, 33293780), (65, 30732720), (75, 26635024), (78, 25610600), (80, 24970335), (100, 19976268), (104, 19207950), (120, 16646890), (130, 15366360), (150, 13317512), (156, 12805300), (195, 10244240), (200, 9988134), (208, 9603975), (240, 8323445), (260, 7683180), (300, 6658756), (312, 6402650), (325, 6146544), (390, 5122120), (400, 4994067), (520, 3841590), (600, 3329378), (624, 3201325), (650, 3073272), (780, 2561060), (975, 2048848), (1040, 1920795), (1200, 1664689), (1300, 1536636), (1560, 1280530), (1950, 1024424), (2600, 768318), (3120, 640265), (3900, 512212), (5200, 384159), (7800, 256106), (15600, 128053)]