18512280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 128

約数和(自身を含む): 62942400

約数和(自身を除く): 44430120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 281, 305, 360, 366, 488, 540, 549, 562, 610, 732, 843, 915, 1080, 1098, 1124, 1220, 1405, 1464, 1647, 1686, 1830, 2196, 2248, 2440, 2529, 2745, 2810, 3294, 3372, 3660, 4215, 4392, 5058, 5490, 5620, 6588, 6744, 7320, 7587, 8235, 8430, 10116, 10980, 11240, 12645, 13176, 15174, 16470, 16860, 17141, 20232, 21960, 25290, 30348, 32940, 33720, 34282, 37935, 50580, 51423, 60696, 65880, 68564, 75870, 85705, 101160, 102846, 137128, 151740, 154269, 171410, 205692, 257115, 303480, 308538, 342820, 411384, 462807, 514230, 617076, 685640, 771345, 925614, 1028460, 1234152, 1542690, 1851228, 2056920, 2314035, 3085380, 3702456, 4628070, 6170760, 9256140, 18512280]

約数ペア:

[(1, 18512280), (2, 9256140), (3, 6170760), (4, 4628070), (5, 3702456), (6, 3085380), (8, 2314035), (9, 2056920), (10, 1851228), (12, 1542690), (15, 1234152), (18, 1028460), (20, 925614), (24, 771345), (27, 685640), (30, 617076), (36, 514230), (40, 462807), (45, 411384), (54, 342820), (60, 308538), (61, 303480), (72, 257115), (90, 205692), (108, 171410), (120, 154269), (122, 151740), (135, 137128), (180, 102846), (183, 101160), (216, 85705), (244, 75870), (270, 68564), (281, 65880), (305, 60696), (360, 51423), (366, 50580), (488, 37935), (540, 34282), (549, 33720), (562, 32940), (610, 30348), (732, 25290), (843, 21960), (915, 20232), (1080, 17141), (1098, 16860), (1124, 16470), (1220, 15174), (1405, 13176), (1464, 12645), (1647, 11240), (1686, 10980), (1830, 10116), (2196, 8430), (2248, 8235), (2440, 7587), (2529, 7320), (2745, 6744), (2810, 6588), (3294, 5620), (3372, 5490), (3660, 5058), (4215, 4392)]