19755900

素因数分解:

$2^2\times 3^6\times 5^2\times {\mathrm{271}}^1$

素因数の和:303

約数の個数: 126

約数和(自身を含む): 64513232

約数和(自身を除く): 44757332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 271, 300, 324, 405, 450, 486, 540, 542, 675, 729, 810, 813, 900, 972, 1084, 1215, 1350, 1355, 1458, 1620, 1626, 2025, 2430, 2439, 2700, 2710, 2916, 3252, 3645, 4050, 4065, 4860, 4878, 5420, 6075, 6775, 7290, 7317, 8100, 8130, 9756, 12150, 12195, 13550, 14580, 14634, 16260, 18225, 20325, 21951, 24300, 24390, 27100, 29268, 36450, 36585, 40650, 43902, 48780, 60975, 65853, 72900, 73170, 81300, 87804, 109755, 121950, 131706, 146340, 182925, 197559, 219510, 243900, 263412, 329265, 365850, 395118, 439020, 548775, 658530, 731700, 790236, 987795, 1097550, 1317060, 1646325, 1975590, 2195100, 3292650, 3951180, 4938975, 6585300, 9877950, 19755900]

約数ペア:

[(1, 19755900), (2, 9877950), (3, 6585300), (4, 4938975), (5, 3951180), (6, 3292650), (9, 2195100), (10, 1975590), (12, 1646325), (15, 1317060), (18, 1097550), (20, 987795), (25, 790236), (27, 731700), (30, 658530), (36, 548775), (45, 439020), (50, 395118), (54, 365850), (60, 329265), (75, 263412), (81, 243900), (90, 219510), (100, 197559), (108, 182925), (135, 146340), (150, 131706), (162, 121950), (180, 109755), (225, 87804), (243, 81300), (270, 73170), (271, 72900), (300, 65853), (324, 60975), (405, 48780), (450, 43902), (486, 40650), (540, 36585), (542, 36450), (675, 29268), (729, 27100), (810, 24390), (813, 24300), (900, 21951), (972, 20325), (1084, 18225), (1215, 16260), (1350, 14634), (1355, 14580), (1458, 13550), (1620, 12195), (1626, 12150), (2025, 9756), (2430, 8130), (2439, 8100), (2700, 7317), (2710, 7290), (2916, 6775), (3252, 6075), (3645, 5420), (4050, 4878), (4065, 4860)]