291263940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:391

約数の個数: 216

約数和(自身を含む): 996899904

約数和(自身を除く): 705635964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 121, 129, 132, 165, 172, 180, 198, 215, 220, 242, 258, 311, 330, 363, 387, 396, 430, 473, 484, 495, 516, 605, 622, 645, 660, 726, 774, 860, 933, 946, 990, 1089, 1210, 1244, 1290, 1419, 1452, 1548, 1555, 1815, 1866, 1892, 1935, 1980, 2178, 2365, 2420, 2580, 2799, 2838, 3110, 3421, 3630, 3732, 3870, 4257, 4356, 4665, 4730, 5203, 5445, 5598, 5676, 6220, 6842, 7095, 7260, 7740, 8514, 9330, 9460, 10263, 10406, 10890, 11196, 13373, 13684, 13995, 14190, 15609, 17028, 17105, 18660, 20526, 20812, 21285, 21780, 26015, 26746, 27990, 28380, 30789, 31218, 34210, 37631, 40119, 41052, 42570, 46827, 51315, 52030, 53492, 55980, 61578, 62436, 66865, 68420, 75262, 78045, 80238, 85140, 93654, 102630, 104060, 112893, 120357, 123156, 133730, 147103, 150524, 153945, 156090, 160476, 187308, 188155, 200595, 205260, 225786, 234135, 240714, 267460, 294206, 307890, 312180, 338679, 376310, 401190, 441309, 451572, 468270, 481428, 564465, 588412, 601785, 615780, 677358, 735515, 752620, 802380, 882618, 936540, 1128930, 1203570, 1323927, 1354716, 1471030, 1618133, 1693395, 1765236, 2206545, 2257860, 2407140, 2647854, 2942060, 3236266, 3386790, 4413090, 4854399, 5295708, 6472532, 6619635, 6773580, 8090665, 8826180, 9708798, 13239270, 14563197, 16181330, 19417596, 24271995, 26478540, 29126394, 32362660, 48543990, 58252788, 72815985, 97087980, 145631970, 291263940]

約数ペア:

[(1, 291263940), (2, 145631970), (3, 97087980), (4, 72815985), (5, 58252788), (6, 48543990), (9, 32362660), (10, 29126394), (11, 26478540), (12, 24271995), (15, 19417596), (18, 16181330), (20, 14563197), (22, 13239270), (30, 9708798), (33, 8826180), (36, 8090665), (43, 6773580), (44, 6619635), (45, 6472532), (55, 5295708), (60, 4854399), (66, 4413090), (86, 3386790), (90, 3236266), (99, 2942060), (110, 2647854), (121, 2407140), (129, 2257860), (132, 2206545), (165, 1765236), (172, 1693395), (180, 1618133), (198, 1471030), (215, 1354716), (220, 1323927), (242, 1203570), (258, 1128930), (311, 936540), (330, 882618), (363, 802380), (387, 752620), (396, 735515), (430, 677358), (473, 615780), (484, 601785), (495, 588412), (516, 564465), (605, 481428), (622, 468270), (645, 451572), (660, 441309), (726, 401190), (774, 376310), (860, 338679), (933, 312180), (946, 307890), (990, 294206), (1089, 267460), (1210, 240714), (1244, 234135), (1290, 225786), (1419, 205260), (1452, 200595), (1548, 188155), (1555, 187308), (1815, 160476), (1866, 156090), (1892, 153945), (1935, 150524), (1980, 147103), (2178, 133730), (2365, 123156), (2420, 120357), (2580, 112893), (2799, 104060), (2838, 102630), (3110, 93654), (3421, 85140), (3630, 80238), (3732, 78045), (3870, 75262), (4257, 68420), (4356, 66865), (4665, 62436), (4730, 61578), (5203, 55980), (5445, 53492), (5598, 52030), (5676, 51315), (6220, 46827), (6842, 42570), (7095, 41052), (7260, 40119), (7740, 37631), (8514, 34210), (9330, 31218), (9460, 30789), (10263, 28380), (10406, 27990), (10890, 26746), (11196, 26015), (13373, 21780), (13684, 21285), (13995, 20812), (14190, 20526), (15609, 18660), (17028, 17105)]