2613816720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{51131}}^1$

素因数の和:51221

約数の個数: 120

約数和(自身を含む): 8901876672

約数和(自身を除く): 6288059952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 8520, 10224, 12780, 17040, 25560, 51120, 51131, 102262, 153393, 204524, 255655, 306786, 409048, 460179, 511310, 613572, 766965, 818096, 920358, 1022620, 1227144, 1533930, 1840716, 2045240, 2300895, 2454288, 3067860, 3630301, 3681432, 4090480, 4601790, 6135720, 7260602, 7362864, 9203580, 10890903, 12271440, 14521204, 18151505, 18407160, 21781806, 29042408, 32672709, 36303010, 36814320, 43563612, 54454515, 58084816, 65345418, 72606020, 87127224, 108909030, 130690836, 145212040, 163363545, 174254448, 217818060, 261381672, 290424080, 326727090, 435636120, 522763344, 653454180, 871272240, 1306908360, 2613816720]

約数ペア:

[(1, 2613816720), (2, 1306908360), (3, 871272240), (4, 653454180), (5, 522763344), (6, 435636120), (8, 326727090), (9, 290424080), (10, 261381672), (12, 217818060), (15, 174254448), (16, 163363545), (18, 145212040), (20, 130690836), (24, 108909030), (30, 87127224), (36, 72606020), (40, 65345418), (45, 58084816), (48, 54454515), (60, 43563612), (71, 36814320), (72, 36303010), (80, 32672709), (90, 29042408), (120, 21781806), (142, 18407160), (144, 18151505), (180, 14521204), (213, 12271440), (240, 10890903), (284, 9203580), (355, 7362864), (360, 7260602), (426, 6135720), (568, 4601790), (639, 4090480), (710, 3681432), (720, 3630301), (852, 3067860), (1065, 2454288), (1136, 2300895), (1278, 2045240), (1420, 1840716), (1704, 1533930), (2130, 1227144), (2556, 1022620), (2840, 920358), (3195, 818096), (3408, 766965), (4260, 613572), (5112, 511310), (5680, 460179), (6390, 409048), (8520, 306786), (10224, 255655), (12780, 204524), (17040, 153393), (25560, 102262), (51120, 51131)]