127916640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:653

約数の個数: 144

約数和(自身を含む): 439626096

約数和(自身を除く): 311709456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 211, 240, 288, 360, 421, 422, 480, 633, 720, 842, 844, 1055, 1263, 1266, 1440, 1684, 1688, 1899, 2105, 2110, 2526, 2532, 3165, 3368, 3376, 3789, 3798, 4210, 4220, 5052, 5064, 6315, 6330, 6736, 6752, 7578, 7596, 8420, 8440, 9495, 10104, 10128, 12630, 12660, 13472, 15156, 15192, 16840, 16880, 18945, 18990, 20208, 20256, 25260, 25320, 30312, 30384, 33680, 33760, 37890, 37980, 40416, 50520, 50640, 60624, 60768, 67360, 75780, 75960, 88831, 101040, 101280, 121248, 151560, 151920, 177662, 202080, 266493, 303120, 303840, 355324, 444155, 532986, 606240, 710648, 799479, 888310, 1065972, 1332465, 1421296, 1598958, 1776620, 2131944, 2664930, 2842592, 3197916, 3553240, 3997395, 4263888, 5329860, 6395832, 7106480, 7994790, 8527776, 10659720, 12791664, 14212960, 15989580, 21319440, 25583328, 31979160, 42638880, 63958320, 127916640]

約数ペア:

[(1, 127916640), (2, 63958320), (3, 42638880), (4, 31979160), (5, 25583328), (6, 21319440), (8, 15989580), (9, 14212960), (10, 12791664), (12, 10659720), (15, 8527776), (16, 7994790), (18, 7106480), (20, 6395832), (24, 5329860), (30, 4263888), (32, 3997395), (36, 3553240), (40, 3197916), (45, 2842592), (48, 2664930), (60, 2131944), (72, 1776620), (80, 1598958), (90, 1421296), (96, 1332465), (120, 1065972), (144, 888310), (160, 799479), (180, 710648), (211, 606240), (240, 532986), (288, 444155), (360, 355324), (421, 303840), (422, 303120), (480, 266493), (633, 202080), (720, 177662), (842, 151920), (844, 151560), (1055, 121248), (1263, 101280), (1266, 101040), (1440, 88831), (1684, 75960), (1688, 75780), (1899, 67360), (2105, 60768), (2110, 60624), (2526, 50640), (2532, 50520), (3165, 40416), (3368, 37980), (3376, 37890), (3789, 33760), (3798, 33680), (4210, 30384), (4220, 30312), (5052, 25320), (5064, 25260), (6315, 20256), (6330, 20208), (6736, 18990), (6752, 18945), (7578, 16880), (7596, 16840), (8420, 15192), (8440, 15156), (9495, 13472), (10104, 12660), (10128, 12630)]