31390380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3559}}^1$

素因数の和:3588

約数の個数: 108

約数和(自身を含む): 110794320

約数和(自身を除く): 79403940

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, 3559, 4410, 7118, 8820, 10677, 14236, 17795, 21354, 24913, 32031, 35590, 42708, 49826, 53385, 64062, 71180, 74739, 99652, 106770, 124565, 128124, 149478, 160155, 174391, 213540, 224217, 249130, 298956, 320310, 348782, 373695, 448434, 498260, 523173, 640620, 697564, 747390, 871955, 896868, 1046346, 1121085, 1494780, 1569519, 1743910, 2092692, 2242170, 2615865, 3139038, 3487820, 4484340, 5231730, 6278076, 7847595, 10463460, 15695190, 31390380]

約数ペア:

[(1, 31390380), (2, 15695190), (3, 10463460), (4, 7847595), (5, 6278076), (6, 5231730), (7, 4484340), (9, 3487820), (10, 3139038), (12, 2615865), (14, 2242170), (15, 2092692), (18, 1743910), (20, 1569519), (21, 1494780), (28, 1121085), (30, 1046346), (35, 896868), (36, 871955), (42, 747390), (45, 697564), (49, 640620), (60, 523173), (63, 498260), (70, 448434), (84, 373695), (90, 348782), (98, 320310), (105, 298956), (126, 249130), (140, 224217), (147, 213540), (180, 174391), (196, 160155), (210, 149478), (245, 128124), (252, 124565), (294, 106770), (315, 99652), (420, 74739), (441, 71180), (490, 64062), (588, 53385), (630, 49826), (735, 42708), (882, 35590), (980, 32031), (1260, 24913), (1470, 21354), (1764, 17795), (2205, 14236), (2940, 10677), (3559, 8820), (4410, 7118)]