81996600

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{2789}}^1$

素因数の和:2822

約数の個数: 144

約数和(自身を含む): 295795800

約数和(自身を除く): 213799200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 700, 735, 840, 980, 1050, 1176, 1225, 1400, 1470, 1960, 2100, 2450, 2789, 2940, 3675, 4200, 4900, 5578, 5880, 7350, 8367, 9800, 11156, 13945, 14700, 16734, 19523, 22312, 27890, 29400, 33468, 39046, 41835, 55780, 58569, 66936, 69725, 78092, 83670, 97615, 111560, 117138, 136661, 139450, 156184, 167340, 195230, 209175, 234276, 273322, 278900, 292845, 334680, 390460, 409983, 418350, 468552, 488075, 546644, 557800, 585690, 683305, 780920, 819966, 836700, 976150, 1093288, 1171380, 1366610, 1464225, 1639932, 1673400, 1952300, 2049915, 2342760, 2733220, 2928450, 3279864, 3416525, 3904600, 4099830, 5466440, 5856900, 6833050, 8199660, 10249575, 11713800, 13666100, 16399320, 20499150, 27332200, 40998300, 81996600]

約数ペア:

[(1, 81996600), (2, 40998300), (3, 27332200), (4, 20499150), (5, 16399320), (6, 13666100), (7, 11713800), (8, 10249575), (10, 8199660), (12, 6833050), (14, 5856900), (15, 5466440), (20, 4099830), (21, 3904600), (24, 3416525), (25, 3279864), (28, 2928450), (30, 2733220), (35, 2342760), (40, 2049915), (42, 1952300), (49, 1673400), (50, 1639932), (56, 1464225), (60, 1366610), (70, 1171380), (75, 1093288), (84, 976150), (98, 836700), (100, 819966), (105, 780920), (120, 683305), (140, 585690), (147, 557800), (150, 546644), (168, 488075), (175, 468552), (196, 418350), (200, 409983), (210, 390460), (245, 334680), (280, 292845), (294, 278900), (300, 273322), (350, 234276), (392, 209175), (420, 195230), (490, 167340), (525, 156184), (588, 139450), (600, 136661), (700, 117138), (735, 111560), (840, 97615), (980, 83670), (1050, 78092), (1176, 69725), (1225, 66936), (1400, 58569), (1470, 55780), (1960, 41835), (2100, 39046), (2450, 33468), (2789, 29400), (2940, 27890), (3675, 22312), (4200, 19523), (4900, 16734), (5578, 14700), (5880, 13945), (7350, 11156), (8367, 9800)]