1398420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 4501224

約数和(自身を除く): 3102804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 457, 510, 612, 765, 914, 1020, 1371, 1530, 1828, 2285, 2742, 3060, 4113, 4570, 5484, 6855, 7769, 8226, 9140, 13710, 15538, 16452, 20565, 23307, 27420, 31076, 38845, 41130, 46614, 69921, 77690, 82260, 93228, 116535, 139842, 155380, 233070, 279684, 349605, 466140, 699210, 1398420]

約数ペア:

[(1, 1398420), (2, 699210), (3, 466140), (4, 349605), (5, 279684), (6, 233070), (9, 155380), (10, 139842), (12, 116535), (15, 93228), (17, 82260), (18, 77690), (20, 69921), (30, 46614), (34, 41130), (36, 38845), (45, 31076), (51, 27420), (60, 23307), (68, 20565), (85, 16452), (90, 15538), (102, 13710), (153, 9140), (170, 8226), (180, 7769), (204, 6855), (255, 5484), (306, 4570), (340, 4113), (457, 3060), (510, 2742), (612, 2285), (765, 1828), (914, 1530), (1020, 1371)]