320726880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3137}}^1$

素因数の和:3229

約数の個数: 144

約数和(自身を含む): 1110249504

約数和(自身を除く): 789522624

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, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1440, 1704, 2130, 2272, 2556, 2840, 3137, 3195, 3408, 4260, 5112, 5680, 6274, 6390, 6816, 8520, 9411, 10224, 11360, 12548, 12780, 15685, 17040, 18822, 20448, 25096, 25560, 28233, 31370, 34080, 37644, 47055, 50192, 51120, 56466, 62740, 75288, 94110, 100384, 102240, 112932, 125480, 141165, 150576, 188220, 222727, 225864, 250960, 282330, 301152, 376440, 445454, 451728, 501920, 564660, 668181, 752880, 890908, 903456, 1113635, 1129320, 1336362, 1505760, 1781816, 2004543, 2227270, 2258640, 2672724, 3340905, 3563632, 4009086, 4454540, 4517280, 5345448, 6681810, 7127264, 8018172, 8909080, 10022715, 10690896, 13363620, 16036344, 17818160, 20045430, 21381792, 26727240, 32072688, 35636320, 40090860, 53454480, 64145376, 80181720, 106908960, 160363440, 320726880]

約数ペア:

[(1, 320726880), (2, 160363440), (3, 106908960), (4, 80181720), (5, 64145376), (6, 53454480), (8, 40090860), (9, 35636320), (10, 32072688), (12, 26727240), (15, 21381792), (16, 20045430), (18, 17818160), (20, 16036344), (24, 13363620), (30, 10690896), (32, 10022715), (36, 8909080), (40, 8018172), (45, 7127264), (48, 6681810), (60, 5345448), (71, 4517280), (72, 4454540), (80, 4009086), (90, 3563632), (96, 3340905), (120, 2672724), (142, 2258640), (144, 2227270), (160, 2004543), (180, 1781816), (213, 1505760), (240, 1336362), (284, 1129320), (288, 1113635), (355, 903456), (360, 890908), (426, 752880), (480, 668181), (568, 564660), (639, 501920), (710, 451728), (720, 445454), (852, 376440), (1065, 301152), (1136, 282330), (1278, 250960), (1420, 225864), (1440, 222727), (1704, 188220), (2130, 150576), (2272, 141165), (2556, 125480), (2840, 112932), (3137, 102240), (3195, 100384), (3408, 94110), (4260, 75288), (5112, 62740), (5680, 56466), (6274, 51120), (6390, 50192), (6816, 47055), (8520, 37644), (9411, 34080), (10224, 31370), (11360, 28233), (12548, 25560), (12780, 25096), (15685, 20448), (17040, 18822)]