71274420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{8081}}^1$

素因数の和:8110

約数の個数: 108

約数和(自身を含む): 251528004

約数和(自身を除く): 180253584

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8081, 8820, 16162, 24243, 32324, 40405, 48486, 56567, 72729, 80810, 96972, 113134, 121215, 145458, 161620, 169701, 226268, 242430, 282835, 290916, 339402, 363645, 395969, 484860, 509103, 565670, 678804, 727290, 791938, 848505, 1018206, 1131340, 1187907, 1454580, 1583876, 1697010, 1979845, 2036412, 2375814, 2545515, 3394020, 3563721, 3959690, 4751628, 5091030, 5939535, 7127442, 7919380, 10182060, 11879070, 14254884, 17818605, 23758140, 35637210, 71274420]

約数ペア:

[(1, 71274420), (2, 35637210), (3, 23758140), (4, 17818605), (5, 14254884), (6, 11879070), (7, 10182060), (9, 7919380), (10, 7127442), (12, 5939535), (14, 5091030), (15, 4751628), (18, 3959690), (20, 3563721), (21, 3394020), (28, 2545515), (30, 2375814), (35, 2036412), (36, 1979845), (42, 1697010), (45, 1583876), (49, 1454580), (60, 1187907), (63, 1131340), (70, 1018206), (84, 848505), (90, 791938), (98, 727290), (105, 678804), (126, 565670), (140, 509103), (147, 484860), (180, 395969), (196, 363645), (210, 339402), (245, 290916), (252, 282835), (294, 242430), (315, 226268), (420, 169701), (441, 161620), (490, 145458), (588, 121215), (630, 113134), (735, 96972), (882, 80810), (980, 72729), (1260, 56567), (1470, 48486), (1764, 40405), (2205, 32324), (2940, 24243), (4410, 16162), (8081, 8820)]