81992820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15017}}^1$

素因数の和:15049

約数の個数: 96

約数和(自身を含む): 282578688

約数和(自身を除く): 200585868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 15017, 30034, 45051, 60068, 75085, 90102, 105119, 150170, 180204, 195221, 210238, 225255, 300340, 315357, 390442, 420476, 450510, 525595, 585663, 630714, 780884, 901020, 976105, 1051190, 1171326, 1261428, 1366547, 1576785, 1952210, 2102380, 2342652, 2733094, 2928315, 3153570, 3904420, 4099641, 5466188, 5856630, 6307140, 6832735, 8199282, 11713260, 13665470, 16398564, 20498205, 27330940, 40996410, 81992820]

約数ペア:

[(1, 81992820), (2, 40996410), (3, 27330940), (4, 20498205), (5, 16398564), (6, 13665470), (7, 11713260), (10, 8199282), (12, 6832735), (13, 6307140), (14, 5856630), (15, 5466188), (20, 4099641), (21, 3904420), (26, 3153570), (28, 2928315), (30, 2733094), (35, 2342652), (39, 2102380), (42, 1952210), (52, 1576785), (60, 1366547), (65, 1261428), (70, 1171326), (78, 1051190), (84, 976105), (91, 901020), (105, 780884), (130, 630714), (140, 585663), (156, 525595), (182, 450510), (195, 420476), (210, 390442), (260, 315357), (273, 300340), (364, 225255), (390, 210238), (420, 195221), (455, 180204), (546, 150170), (780, 105119), (910, 90102), (1092, 75085), (1365, 60068), (1820, 45051), (2730, 30034), (5460, 15017)]