18216240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1549}}^1$

素因数の和:1579

約数の個数: 120

約数和(自身を含む): 65732400

約数和(自身を除く): 47516160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1549, 1680, 1960, 2352, 2940, 3098, 3920, 4647, 5880, 6196, 7745, 9294, 10843, 11760, 12392, 15490, 18588, 21686, 23235, 24784, 30980, 32529, 37176, 43372, 46470, 54215, 61960, 65058, 74352, 75901, 86744, 92940, 108430, 123920, 130116, 151802, 162645, 173488, 185880, 216860, 227703, 260232, 303604, 325290, 371760, 379505, 433720, 455406, 520464, 607208, 650580, 759010, 867440, 910812, 1138515, 1214416, 1301160, 1518020, 1821624, 2277030, 2602320, 3036040, 3643248, 4554060, 6072080, 9108120, 18216240]

約数ペア:

[(1, 18216240), (2, 9108120), (3, 6072080), (4, 4554060), (5, 3643248), (6, 3036040), (7, 2602320), (8, 2277030), (10, 1821624), (12, 1518020), (14, 1301160), (15, 1214416), (16, 1138515), (20, 910812), (21, 867440), (24, 759010), (28, 650580), (30, 607208), (35, 520464), (40, 455406), (42, 433720), (48, 379505), (49, 371760), (56, 325290), (60, 303604), (70, 260232), (80, 227703), (84, 216860), (98, 185880), (105, 173488), (112, 162645), (120, 151802), (140, 130116), (147, 123920), (168, 108430), (196, 92940), (210, 86744), (240, 75901), (245, 74352), (280, 65058), (294, 61960), (336, 54215), (392, 46470), (420, 43372), (490, 37176), (560, 32529), (588, 30980), (735, 24784), (784, 23235), (840, 21686), (980, 18588), (1176, 15490), (1470, 12392), (1549, 11760), (1680, 10843), (1960, 9294), (2352, 7745), (2940, 6196), (3098, 5880), (3920, 4647)]