21398581080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{45971}}^1$

素因数の和:46422

約数の個数: 128

約数和(自身を含む): 71495654400

約数和(自身を除く): 50097073320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 431, 540, 862, 1080, 1293, 1724, 2155, 2586, 3448, 3879, 4310, 5172, 6465, 7758, 8620, 10344, 11637, 12930, 15516, 17240, 19395, 23274, 25860, 31032, 38790, 45971, 46548, 51720, 58185, 77580, 91942, 93096, 116370, 137913, 155160, 183884, 229855, 232740, 275826, 367768, 413739, 459710, 465480, 551652, 689565, 827478, 919420, 1103304, 1241217, 1379130, 1654956, 1838840, 2068695, 2482434, 2758260, 3309912, 4137390, 4964868, 5516520, 6206085, 8274780, 9929736, 12412170, 16549560, 19813501, 24824340, 39627002, 49648680, 59440503, 79254004, 99067505, 118881006, 158508008, 178321509, 198135010, 237762012, 297202515, 356643018, 396270020, 475524024, 534964527, 594405030, 713286036, 792540040, 891607545, 1069929054, 1188810060, 1426572072, 1783215090, 2139858108, 2377620120, 2674822635, 3566430180, 4279716216, 5349645270, 7132860360, 10699290540, 21398581080]

約数ペア:

[(1, 21398581080), (2, 10699290540), (3, 7132860360), (4, 5349645270), (5, 4279716216), (6, 3566430180), (8, 2674822635), (9, 2377620120), (10, 2139858108), (12, 1783215090), (15, 1426572072), (18, 1188810060), (20, 1069929054), (24, 891607545), (27, 792540040), (30, 713286036), (36, 594405030), (40, 534964527), (45, 475524024), (54, 396270020), (60, 356643018), (72, 297202515), (90, 237762012), (108, 198135010), (120, 178321509), (135, 158508008), (180, 118881006), (216, 99067505), (270, 79254004), (360, 59440503), (431, 49648680), (540, 39627002), (862, 24824340), (1080, 19813501), (1293, 16549560), (1724, 12412170), (2155, 9929736), (2586, 8274780), (3448, 6206085), (3879, 5516520), (4310, 4964868), (5172, 4137390), (6465, 3309912), (7758, 2758260), (8620, 2482434), (10344, 2068695), (11637, 1838840), (12930, 1654956), (15516, 1379130), (17240, 1241217), (19395, 1103304), (23274, 919420), (25860, 827478), (31032, 689565), (38790, 551652), (45971, 465480), (46548, 459710), (51720, 413739), (58185, 367768), (77580, 275826), (91942, 232740), (93096, 229855), (116370, 183884), (137913, 155160)]