18845400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{641}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 68064840

約数和(自身を除く): 49219440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 641, 700, 735, 840, 980, 1050, 1176, 1225, 1282, 1400, 1470, 1923, 1960, 2100, 2450, 2564, 2940, 3205, 3675, 3846, 4200, 4487, 4900, 5128, 5880, 6410, 7350, 7692, 8974, 9615, 9800, 12820, 13461, 14700, 15384, 16025, 17948, 19230, 22435, 25640, 26922, 29400, 31409, 32050, 35896, 38460, 44870, 48075, 53844, 62818, 64100, 67305, 76920, 89740, 94227, 96150, 107688, 112175, 125636, 128200, 134610, 157045, 179480, 188454, 192300, 224350, 251272, 269220, 314090, 336525, 376908, 384600, 448700, 471135, 538440, 628180, 673050, 753816, 785225, 897400, 942270, 1256360, 1346100, 1570450, 1884540, 2355675, 2692200, 3140900, 3769080, 4711350, 6281800, 9422700, 18845400]

約数ペア:

[(1, 18845400), (2, 9422700), (3, 6281800), (4, 4711350), (5, 3769080), (6, 3140900), (7, 2692200), (8, 2355675), (10, 1884540), (12, 1570450), (14, 1346100), (15, 1256360), (20, 942270), (21, 897400), (24, 785225), (25, 753816), (28, 673050), (30, 628180), (35, 538440), (40, 471135), (42, 448700), (49, 384600), (50, 376908), (56, 336525), (60, 314090), (70, 269220), (75, 251272), (84, 224350), (98, 192300), (100, 188454), (105, 179480), (120, 157045), (140, 134610), (147, 128200), (150, 125636), (168, 112175), (175, 107688), (196, 96150), (200, 94227), (210, 89740), (245, 76920), (280, 67305), (294, 64100), (300, 62818), (350, 53844), (392, 48075), (420, 44870), (490, 38460), (525, 35896), (588, 32050), (600, 31409), (641, 29400), (700, 26922), (735, 25640), (840, 22435), (980, 19230), (1050, 17948), (1176, 16025), (1225, 15384), (1282, 14700), (1400, 13461), (1470, 12820), (1923, 9800), (1960, 9615), (2100, 8974), (2450, 7692), (2564, 7350), (2940, 6410), (3205, 5880), (3675, 5128), (3846, 4900), (4200, 4487)]