19725066840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1\times {\mathrm{2633}}^1$

素因数の和:3193

約数の個数: 128

約数和(自身を含む): 59716362240

約数和(自身を除く): 39991295400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 383, 489, 652, 766, 815, 978, 1149, 1304, 1532, 1630, 1915, 1956, 2298, 2445, 2633, 3064, 3260, 3830, 3912, 4596, 4890, 5266, 5745, 6520, 7660, 7899, 9192, 9780, 10532, 11490, 13165, 15320, 15798, 19560, 21064, 22980, 26330, 31596, 39495, 45960, 52660, 62429, 63192, 78990, 105320, 124858, 157980, 187287, 249716, 312145, 315960, 374574, 429179, 499432, 624290, 749148, 858358, 936435, 1008439, 1248580, 1287537, 1498296, 1716716, 1872870, 2016878, 2145895, 2497160, 2575074, 3025317, 3433432, 3745740, 4033756, 4291790, 5042195, 5150148, 6050634, 6437685, 7491480, 8067512, 8583580, 10084390, 10300296, 12101268, 12875370, 15126585, 17167160, 20168780, 24202536, 25750740, 30253170, 40337560, 51501480, 60506340, 121012680, 164375557, 328751114, 493126671, 657502228, 821877785, 986253342, 1315004456, 1643755570, 1972506684, 2465633355, 3287511140, 3945013368, 4931266710, 6575022280, 9862533420, 19725066840]

約数ペア:

[(1, 19725066840), (2, 9862533420), (3, 6575022280), (4, 4931266710), (5, 3945013368), (6, 3287511140), (8, 2465633355), (10, 1972506684), (12, 1643755570), (15, 1315004456), (20, 986253342), (24, 821877785), (30, 657502228), (40, 493126671), (60, 328751114), (120, 164375557), (163, 121012680), (326, 60506340), (383, 51501480), (489, 40337560), (652, 30253170), (766, 25750740), (815, 24202536), (978, 20168780), (1149, 17167160), (1304, 15126585), (1532, 12875370), (1630, 12101268), (1915, 10300296), (1956, 10084390), (2298, 8583580), (2445, 8067512), (2633, 7491480), (3064, 6437685), (3260, 6050634), (3830, 5150148), (3912, 5042195), (4596, 4291790), (4890, 4033756), (5266, 3745740), (5745, 3433432), (6520, 3025317), (7660, 2575074), (7899, 2497160), (9192, 2145895), (9780, 2016878), (10532, 1872870), (11490, 1716716), (13165, 1498296), (15320, 1287537), (15798, 1248580), (19560, 1008439), (21064, 936435), (22980, 858358), (26330, 749148), (31596, 624290), (39495, 499432), (45960, 429179), (52660, 374574), (62429, 315960), (63192, 312145), (78990, 249716), (105320, 187287), (124858, 157980)]