15906990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 45619200

約数和(自身を除く): 29712210

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 43, 55, 57, 59, 66, 86, 95, 110, 114, 118, 129, 165, 177, 190, 209, 215, 258, 285, 295, 330, 354, 418, 430, 473, 570, 590, 627, 645, 649, 817, 885, 946, 1045, 1121, 1254, 1290, 1298, 1419, 1634, 1770, 1947, 2090, 2242, 2365, 2451, 2537, 2838, 3135, 3245, 3363, 3894, 4085, 4730, 4902, 5074, 5605, 6270, 6490, 6726, 7095, 7611, 8170, 8987, 9735, 11210, 12255, 12331, 12685, 14190, 15222, 16815, 17974, 19470, 24510, 24662, 25370, 26961, 27907, 33630, 36993, 38055, 44935, 48203, 53922, 55814, 61655, 73986, 76110, 83721, 89870, 96406, 123310, 134805, 139535, 144609, 167442, 184965, 241015, 269610, 279070, 289218, 369930, 418605, 482030, 530233, 723045, 837210, 1060466, 1446090, 1590699, 2651165, 3181398, 5302330, 7953495, 15906990]

約数ペア:

[(1, 15906990), (2, 7953495), (3, 5302330), (5, 3181398), (6, 2651165), (10, 1590699), (11, 1446090), (15, 1060466), (19, 837210), (22, 723045), (30, 530233), (33, 482030), (38, 418605), (43, 369930), (55, 289218), (57, 279070), (59, 269610), (66, 241015), (86, 184965), (95, 167442), (110, 144609), (114, 139535), (118, 134805), (129, 123310), (165, 96406), (177, 89870), (190, 83721), (209, 76110), (215, 73986), (258, 61655), (285, 55814), (295, 53922), (330, 48203), (354, 44935), (418, 38055), (430, 36993), (473, 33630), (570, 27907), (590, 26961), (627, 25370), (645, 24662), (649, 24510), (817, 19470), (885, 17974), (946, 16815), (1045, 15222), (1121, 14190), (1254, 12685), (1290, 12331), (1298, 12255), (1419, 11210), (1634, 9735), (1770, 8987), (1947, 8170), (2090, 7611), (2242, 7095), (2365, 6726), (2451, 6490), (2537, 6270), (2838, 5605), (3135, 5074), (3245, 4902), (3363, 4730), (3894, 4085)]