215460540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 192

約数和(自身を含む): 706621440

約数和(自身を除く): 491160900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 61, 62, 90, 93, 108, 122, 124, 135, 155, 180, 183, 186, 211, 244, 270, 279, 305, 310, 366, 372, 422, 465, 540, 549, 558, 610, 620, 633, 732, 837, 844, 915, 930, 1055, 1098, 1116, 1220, 1266, 1395, 1647, 1674, 1830, 1860, 1891, 1899, 2110, 2196, 2532, 2745, 2790, 3165, 3294, 3348, 3660, 3782, 3798, 4185, 4220, 5490, 5580, 5673, 5697, 6330, 6541, 6588, 7564, 7596, 8235, 8370, 9455, 9495, 10980, 11346, 11394, 12660, 12871, 13082, 16470, 16740, 17019, 18910, 18990, 19623, 22692, 22788, 25742, 26164, 28365, 28485, 32705, 32940, 34038, 37820, 37980, 38613, 39246, 51057, 51484, 56730, 56970, 58869, 64355, 65410, 68076, 77226, 78492, 85095, 98115, 102114, 113460, 113940, 115839, 117738, 128710, 130820, 154452, 170190, 176607, 193065, 196230, 204228, 231678, 235476, 255285, 257420, 294345, 340380, 347517, 353214, 386130, 392460, 399001, 463356, 510570, 579195, 588690, 695034, 706428, 772260, 798002, 883035, 1021140, 1158390, 1177380, 1197003, 1390068, 1596004, 1737585, 1766070, 1995005, 2316780, 2394006, 3475170, 3532140, 3591009, 3990010, 4788012, 5985015, 6950340, 7182018, 7980020, 10773027, 11970030, 14364036, 17955045, 21546054, 23940060, 35910090, 43092108, 53865135, 71820180, 107730270, 215460540]

約数ペア:

[(1, 215460540), (2, 107730270), (3, 71820180), (4, 53865135), (5, 43092108), (6, 35910090), (9, 23940060), (10, 21546054), (12, 17955045), (15, 14364036), (18, 11970030), (20, 10773027), (27, 7980020), (30, 7182018), (31, 6950340), (36, 5985015), (45, 4788012), (54, 3990010), (60, 3591009), (61, 3532140), (62, 3475170), (90, 2394006), (93, 2316780), (108, 1995005), (122, 1766070), (124, 1737585), (135, 1596004), (155, 1390068), (180, 1197003), (183, 1177380), (186, 1158390), (211, 1021140), (244, 883035), (270, 798002), (279, 772260), (305, 706428), (310, 695034), (366, 588690), (372, 579195), (422, 510570), (465, 463356), (540, 399001), (549, 392460), (558, 386130), (610, 353214), (620, 347517), (633, 340380), (732, 294345), (837, 257420), (844, 255285), (915, 235476), (930, 231678), (1055, 204228), (1098, 196230), (1116, 193065), (1220, 176607), (1266, 170190), (1395, 154452), (1647, 130820), (1674, 128710), (1830, 117738), (1860, 115839), (1891, 113940), (1899, 113460), (2110, 102114), (2196, 98115), (2532, 85095), (2745, 78492), (2790, 77226), (3165, 68076), (3294, 65410), (3348, 64355), (3660, 58869), (3782, 56970), (3798, 56730), (4185, 51484), (4220, 51057), (5490, 39246), (5580, 38613), (5673, 37980), (5697, 37820), (6330, 34038), (6541, 32940), (6588, 32705), (7564, 28485), (7596, 28365), (8235, 26164), (8370, 25742), (9455, 22788), (9495, 22692), (10980, 19623), (11346, 18990), (11394, 18910), (12660, 17019), (12871, 16740), (13082, 16470)]