31660860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 216

約数和(自身を含む): 114624720

約数和(自身を除く): 82963860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 89, 98, 105, 110, 121, 132, 140, 147, 154, 165, 178, 196, 210, 220, 231, 242, 245, 267, 294, 308, 330, 356, 363, 385, 420, 445, 462, 484, 490, 534, 539, 588, 605, 623, 660, 726, 735, 770, 847, 890, 924, 979, 980, 1068, 1078, 1155, 1210, 1246, 1335, 1452, 1470, 1540, 1617, 1694, 1780, 1815, 1869, 1958, 2156, 2310, 2420, 2492, 2541, 2670, 2695, 2937, 2940, 3115, 3234, 3388, 3630, 3738, 3916, 4235, 4361, 4620, 4895, 5082, 5340, 5390, 5874, 5929, 6230, 6468, 6853, 7260, 7476, 8085, 8470, 8722, 9345, 9790, 10164, 10769, 10780, 11748, 11858, 12460, 12705, 13083, 13706, 14685, 16170, 16940, 17444, 17787, 18690, 19580, 20559, 21538, 21805, 23716, 25410, 26166, 27412, 29370, 29645, 32307, 32340, 34265, 35574, 37380, 41118, 43076, 43610, 47971, 50820, 52332, 53845, 58740, 59290, 64614, 65415, 68530, 71148, 75383, 82236, 87220, 88935, 95942, 102795, 107690, 118580, 129228, 130830, 137060, 143913, 150766, 161535, 177870, 191884, 205590, 215380, 226149, 239855, 261660, 287826, 301532, 323070, 355740, 376915, 411180, 452298, 479710, 527681, 575652, 646140, 719565, 753830, 904596, 959420, 1055362, 1130745, 1439130, 1507660, 1583043, 2110724, 2261490, 2638405, 2878260, 3166086, 4522980, 5276810, 6332172, 7915215, 10553620, 15830430, 31660860]

約数ペア:

[(1, 31660860), (2, 15830430), (3, 10553620), (4, 7915215), (5, 6332172), (6, 5276810), (7, 4522980), (10, 3166086), (11, 2878260), (12, 2638405), (14, 2261490), (15, 2110724), (20, 1583043), (21, 1507660), (22, 1439130), (28, 1130745), (30, 1055362), (33, 959420), (35, 904596), (42, 753830), (44, 719565), (49, 646140), (55, 575652), (60, 527681), (66, 479710), (70, 452298), (77, 411180), (84, 376915), (89, 355740), (98, 323070), (105, 301532), (110, 287826), (121, 261660), (132, 239855), (140, 226149), (147, 215380), (154, 205590), (165, 191884), (178, 177870), (196, 161535), (210, 150766), (220, 143913), (231, 137060), (242, 130830), (245, 129228), (267, 118580), (294, 107690), (308, 102795), (330, 95942), (356, 88935), (363, 87220), (385, 82236), (420, 75383), (445, 71148), (462, 68530), (484, 65415), (490, 64614), (534, 59290), (539, 58740), (588, 53845), (605, 52332), (623, 50820), (660, 47971), (726, 43610), (735, 43076), (770, 41118), (847, 37380), (890, 35574), (924, 34265), (979, 32340), (980, 32307), (1068, 29645), (1078, 29370), (1155, 27412), (1210, 26166), (1246, 25410), (1335, 23716), (1452, 21805), (1470, 21538), (1540, 20559), (1617, 19580), (1694, 18690), (1780, 17787), (1815, 17444), (1869, 16940), (1958, 16170), (2156, 14685), (2310, 13706), (2420, 13083), (2492, 12705), (2541, 12460), (2670, 11858), (2695, 11748), (2937, 10780), (2940, 10769), (3115, 10164), (3234, 9790), (3388, 9345), (3630, 8722), (3738, 8470), (3916, 8085), (4235, 7476), (4361, 7260), (4620, 6853), (4895, 6468), (5082, 6230), (5340, 5929), (5390, 5874)]