213478680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:1001

約数の個数: 128

約数和(自身を含む): 681120000

約数和(自身を除く): 467641320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 109, 114, 120, 152, 190, 218, 228, 285, 327, 380, 436, 456, 545, 570, 654, 760, 859, 872, 1090, 1140, 1308, 1635, 1718, 2071, 2180, 2280, 2577, 2616, 3270, 3436, 4142, 4295, 4360, 5154, 6213, 6540, 6872, 8284, 8590, 10308, 10355, 12426, 12885, 13080, 16321, 16568, 17180, 20616, 20710, 24852, 25770, 31065, 32642, 34360, 41420, 48963, 49704, 51540, 62130, 65284, 81605, 82840, 93631, 97926, 103080, 124260, 130568, 163210, 187262, 195852, 244815, 248520, 280893, 326420, 374524, 391704, 468155, 489630, 561786, 652840, 749048, 936310, 979260, 1123572, 1404465, 1778989, 1872620, 1958520, 2247144, 2808930, 3557978, 3745240, 5336967, 5617860, 7115956, 8894945, 10673934, 11235720, 14231912, 17789890, 21347868, 26684835, 35579780, 42695736, 53369670, 71159560, 106739340, 213478680]

約数ペア:

[(1, 213478680), (2, 106739340), (3, 71159560), (4, 53369670), (5, 42695736), (6, 35579780), (8, 26684835), (10, 21347868), (12, 17789890), (15, 14231912), (19, 11235720), (20, 10673934), (24, 8894945), (30, 7115956), (38, 5617860), (40, 5336967), (57, 3745240), (60, 3557978), (76, 2808930), (95, 2247144), (109, 1958520), (114, 1872620), (120, 1778989), (152, 1404465), (190, 1123572), (218, 979260), (228, 936310), (285, 749048), (327, 652840), (380, 561786), (436, 489630), (456, 468155), (545, 391704), (570, 374524), (654, 326420), (760, 280893), (859, 248520), (872, 244815), (1090, 195852), (1140, 187262), (1308, 163210), (1635, 130568), (1718, 124260), (2071, 103080), (2180, 97926), (2280, 93631), (2577, 82840), (2616, 81605), (3270, 65284), (3436, 62130), (4142, 51540), (4295, 49704), (4360, 48963), (5154, 41420), (6213, 34360), (6540, 32642), (6872, 31065), (8284, 25770), (8590, 24852), (10308, 20710), (10355, 20616), (12426, 17180), (12885, 16568), (13080, 16321)]