81830520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4457}}^1$

素因数の和:4494

約数の個数: 128

約数和(自身を含む): 288878400

約数和(自身を除く): 207047880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1080, 1224, 1530, 1836, 2040, 2295, 3060, 3672, 4457, 4590, 6120, 8914, 9180, 13371, 17828, 18360, 22285, 26742, 35656, 40113, 44570, 53484, 66855, 75769, 80226, 89140, 106968, 120339, 133710, 151538, 160452, 178280, 200565, 227307, 240678, 267420, 303076, 320904, 378845, 401130, 454614, 481356, 534840, 601695, 606152, 681921, 757690, 802260, 909228, 962712, 1136535, 1203390, 1363842, 1515380, 1604520, 1818456, 2045763, 2273070, 2406780, 2727684, 3030760, 3409605, 4091526, 4546140, 4813560, 5455368, 6819210, 8183052, 9092280, 10228815, 13638420, 16366104, 20457630, 27276840, 40915260, 81830520]

約数ペア:

[(1, 81830520), (2, 40915260), (3, 27276840), (4, 20457630), (5, 16366104), (6, 13638420), (8, 10228815), (9, 9092280), (10, 8183052), (12, 6819210), (15, 5455368), (17, 4813560), (18, 4546140), (20, 4091526), (24, 3409605), (27, 3030760), (30, 2727684), (34, 2406780), (36, 2273070), (40, 2045763), (45, 1818456), (51, 1604520), (54, 1515380), (60, 1363842), (68, 1203390), (72, 1136535), (85, 962712), (90, 909228), (102, 802260), (108, 757690), (120, 681921), (135, 606152), (136, 601695), (153, 534840), (170, 481356), (180, 454614), (204, 401130), (216, 378845), (255, 320904), (270, 303076), (306, 267420), (340, 240678), (360, 227307), (408, 200565), (459, 178280), (510, 160452), (540, 151538), (612, 133710), (680, 120339), (765, 106968), (918, 89140), (1020, 80226), (1080, 75769), (1224, 66855), (1530, 53484), (1836, 44570), (2040, 40113), (2295, 35656), (3060, 26742), (3672, 22285), (4457, 18360), (4590, 17828), (6120, 13371), (8914, 9180)]