198847980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21661}}^1$

素因数の和:21696

約数の個数: 96

約数和(自身を含む): 655058880

約数和(自身を除く): 456210900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 3060, 4590, 9180, 21661, 43322, 64983, 86644, 108305, 129966, 194949, 216610, 259932, 324915, 368237, 389898, 433220, 584847, 649830, 736474, 779796, 974745, 1104711, 1169694, 1299660, 1472948, 1841185, 1949490, 2209422, 2339388, 2924235, 3314133, 3682370, 3898980, 4418844, 5523555, 5848470, 6628266, 7364740, 9942399, 11047110, 11696940, 13256532, 16570665, 19884798, 22094220, 33141330, 39769596, 49711995, 66282660, 99423990, 198847980]

約数ペア:

[(1, 198847980), (2, 99423990), (3, 66282660), (4, 49711995), (5, 39769596), (6, 33141330), (9, 22094220), (10, 19884798), (12, 16570665), (15, 13256532), (17, 11696940), (18, 11047110), (20, 9942399), (27, 7364740), (30, 6628266), (34, 5848470), (36, 5523555), (45, 4418844), (51, 3898980), (54, 3682370), (60, 3314133), (68, 2924235), (85, 2339388), (90, 2209422), (102, 1949490), (108, 1841185), (135, 1472948), (153, 1299660), (170, 1169694), (180, 1104711), (204, 974745), (255, 779796), (270, 736474), (306, 649830), (340, 584847), (459, 433220), (510, 389898), (540, 368237), (612, 324915), (765, 259932), (918, 216610), (1020, 194949), (1530, 129966), (1836, 108305), (2295, 86644), (3060, 64983), (4590, 43322), (9180, 21661)]