31284540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3547}}^1$

素因数の和:3576

約数の個数: 108

約数和(自身を含む): 110420856

約数和(自身を除く): 79136316

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, 3547, 4410, 7094, 8820, 10641, 14188, 17735, 21282, 24829, 31923, 35470, 42564, 49658, 53205, 63846, 70940, 74487, 99316, 106410, 124145, 127692, 148974, 159615, 173803, 212820, 223461, 248290, 297948, 319230, 347606, 372435, 446922, 496580, 521409, 638460, 695212, 744870, 869015, 893844, 1042818, 1117305, 1489740, 1564227, 1738030, 2085636, 2234610, 2607045, 3128454, 3476060, 4469220, 5214090, 6256908, 7821135, 10428180, 15642270, 31284540]

約数ペア:

[(1, 31284540), (2, 15642270), (3, 10428180), (4, 7821135), (5, 6256908), (6, 5214090), (7, 4469220), (9, 3476060), (10, 3128454), (12, 2607045), (14, 2234610), (15, 2085636), (18, 1738030), (20, 1564227), (21, 1489740), (28, 1117305), (30, 1042818), (35, 893844), (36, 869015), (42, 744870), (45, 695212), (49, 638460), (60, 521409), (63, 496580), (70, 446922), (84, 372435), (90, 347606), (98, 319230), (105, 297948), (126, 248290), (140, 223461), (147, 212820), (180, 173803), (196, 159615), (210, 148974), (245, 127692), (252, 124145), (294, 106410), (315, 99316), (420, 74487), (441, 70940), (490, 63846), (588, 53205), (630, 49658), (735, 42564), (882, 35470), (980, 31923), (1260, 24829), (1470, 21282), (1764, 17735), (2205, 14188), (2940, 10641), (3547, 8820), (4410, 7094)]