15921180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 216

約数和(自身を含む): 57513456

約数和(自身を除く): 41592276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 43, 44, 45, 51, 55, 60, 66, 68, 85, 86, 90, 99, 102, 110, 121, 129, 132, 153, 165, 170, 172, 180, 187, 198, 204, 215, 220, 242, 255, 258, 306, 330, 340, 363, 374, 387, 396, 430, 473, 484, 495, 510, 516, 561, 605, 612, 645, 660, 726, 731, 748, 765, 774, 860, 935, 946, 990, 1020, 1089, 1122, 1210, 1290, 1419, 1452, 1462, 1530, 1548, 1683, 1815, 1870, 1892, 1935, 1980, 2057, 2178, 2193, 2244, 2365, 2420, 2580, 2805, 2838, 2924, 3060, 3366, 3630, 3655, 3740, 3870, 4114, 4257, 4356, 4386, 4730, 5203, 5445, 5610, 5676, 6171, 6579, 6732, 7095, 7260, 7310, 7740, 8041, 8228, 8415, 8514, 8772, 9460, 10285, 10406, 10890, 10965, 11220, 12342, 13158, 14190, 14620, 15609, 16082, 16830, 17028, 18513, 20570, 20812, 21285, 21780, 21930, 24123, 24684, 26015, 26316, 28380, 30855, 31218, 32164, 32895, 33660, 37026, 40205, 41140, 42570, 43860, 46827, 48246, 52030, 61710, 62436, 65790, 72369, 74052, 78045, 80410, 85140, 88451, 92565, 93654, 96492, 104060, 120615, 123420, 131580, 144738, 156090, 160820, 176902, 185130, 187308, 234135, 241230, 265353, 289476, 312180, 353804, 361845, 370260, 442255, 468270, 482460, 530706, 723690, 796059, 884510, 936540, 1061412, 1326765, 1447380, 1592118, 1769020, 2653530, 3184236, 3980295, 5307060, 7960590, 15921180]

約数ペア:

[(1, 15921180), (2, 7960590), (3, 5307060), (4, 3980295), (5, 3184236), (6, 2653530), (9, 1769020), (10, 1592118), (11, 1447380), (12, 1326765), (15, 1061412), (17, 936540), (18, 884510), (20, 796059), (22, 723690), (30, 530706), (33, 482460), (34, 468270), (36, 442255), (43, 370260), (44, 361845), (45, 353804), (51, 312180), (55, 289476), (60, 265353), (66, 241230), (68, 234135), (85, 187308), (86, 185130), (90, 176902), (99, 160820), (102, 156090), (110, 144738), (121, 131580), (129, 123420), (132, 120615), (153, 104060), (165, 96492), (170, 93654), (172, 92565), (180, 88451), (187, 85140), (198, 80410), (204, 78045), (215, 74052), (220, 72369), (242, 65790), (255, 62436), (258, 61710), (306, 52030), (330, 48246), (340, 46827), (363, 43860), (374, 42570), (387, 41140), (396, 40205), (430, 37026), (473, 33660), (484, 32895), (495, 32164), (510, 31218), (516, 30855), (561, 28380), (605, 26316), (612, 26015), (645, 24684), (660, 24123), (726, 21930), (731, 21780), (748, 21285), (765, 20812), (774, 20570), (860, 18513), (935, 17028), (946, 16830), (990, 16082), (1020, 15609), (1089, 14620), (1122, 14190), (1210, 13158), (1290, 12342), (1419, 11220), (1452, 10965), (1462, 10890), (1530, 10406), (1548, 10285), (1683, 9460), (1815, 8772), (1870, 8514), (1892, 8415), (1935, 8228), (1980, 8041), (2057, 7740), (2178, 7310), (2193, 7260), (2244, 7095), (2365, 6732), (2420, 6579), (2580, 6171), (2805, 5676), (2838, 5610), (2924, 5445), (3060, 5203), (3366, 4730), (3630, 4386), (3655, 4356), (3740, 4257), (3870, 4114)]