61721520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{36739}}^1$

素因数の和:36762

約数の個数: 80

約数和(自身を含む): 218676480

約数和(自身を除く): 156954960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 36739, 73478, 110217, 146956, 183695, 220434, 257173, 293912, 367390, 440868, 514346, 551085, 587824, 734780, 771519, 881736, 1028692, 1102170, 1285865, 1469560, 1543038, 1763472, 2057384, 2204340, 2571730, 2939120, 3086076, 3857595, 4114768, 4408680, 5143460, 6172152, 7715190, 8817360, 10286920, 12344304, 15430380, 20573840, 30860760, 61721520]

約数ペア:

[(1, 61721520), (2, 30860760), (3, 20573840), (4, 15430380), (5, 12344304), (6, 10286920), (7, 8817360), (8, 7715190), (10, 6172152), (12, 5143460), (14, 4408680), (15, 4114768), (16, 3857595), (20, 3086076), (21, 2939120), (24, 2571730), (28, 2204340), (30, 2057384), (35, 1763472), (40, 1543038), (42, 1469560), (48, 1285865), (56, 1102170), (60, 1028692), (70, 881736), (80, 771519), (84, 734780), (105, 587824), (112, 551085), (120, 514346), (140, 440868), (168, 367390), (210, 293912), (240, 257173), (280, 220434), (336, 183695), (420, 146956), (560, 110217), (840, 73478), (1680, 36739)]