81963900

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{3373}}^1$

素因数の和:3402

約数の個数: 108

約数和(自身を含む): 266505512

約数和(自身を除く): 184541612

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, 300, 324, 405, 450, 486, 540, 675, 810, 900, 972, 1215, 1350, 1620, 2025, 2430, 2700, 3373, 4050, 4860, 6075, 6746, 8100, 10119, 12150, 13492, 16865, 20238, 24300, 30357, 33730, 40476, 50595, 60714, 67460, 84325, 91071, 101190, 121428, 151785, 168650, 182142, 202380, 252975, 273213, 303570, 337300, 364284, 455355, 505950, 546426, 607140, 758925, 819639, 910710, 1011900, 1092852, 1366065, 1517850, 1639278, 1821420, 2276775, 2732130, 3035700, 3278556, 4098195, 4553550, 5464260, 6830325, 8196390, 9107100, 13660650, 16392780, 20490975, 27321300, 40981950, 81963900]

約数ペア:

[(1, 81963900), (2, 40981950), (3, 27321300), (4, 20490975), (5, 16392780), (6, 13660650), (9, 9107100), (10, 8196390), (12, 6830325), (15, 5464260), (18, 4553550), (20, 4098195), (25, 3278556), (27, 3035700), (30, 2732130), (36, 2276775), (45, 1821420), (50, 1639278), (54, 1517850), (60, 1366065), (75, 1092852), (81, 1011900), (90, 910710), (100, 819639), (108, 758925), (135, 607140), (150, 546426), (162, 505950), (180, 455355), (225, 364284), (243, 337300), (270, 303570), (300, 273213), (324, 252975), (405, 202380), (450, 182142), (486, 168650), (540, 151785), (675, 121428), (810, 101190), (900, 91071), (972, 84325), (1215, 67460), (1350, 60714), (1620, 50595), (2025, 40476), (2430, 33730), (2700, 30357), (3373, 24300), (4050, 20238), (4860, 16865), (6075, 13492), (6746, 12150), (8100, 10119)]