20736036720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1371431}}^1$

素因数の和:1371460

約数の個数: 160

約数和(自身を含む): 81627632640

約数和(自身を除く): 60891595920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 1371431, 2742862, 4114293, 5485724, 6857155, 8228586, 9600017, 10971448, 12342879, 13714310, 16457172, 19200034, 20571465, 21942896, 24685758, 27428620, 28800051, 32914344, 37028637, 38400068, 41142930, 48000085, 49371516, 54857240, 57600102, 61714395, 65828688, 74057274, 76800136, 82285860, 86400153, 96000170, 98743032, 109714480, 115200204, 123428790, 144000255, 148114548, 153600272, 164571720, 172800306, 185143185, 192000340, 197486064, 230400408, 246857580, 259200459, 288000510, 296229096, 329143440, 345600612, 370286370, 384000680, 432000765, 460800816, 493715160, 518400918, 576001020, 592458192, 691201224, 740572740, 768001360, 864001530, 987430320, 1036801836, 1152002040, 1296002295, 1382402448, 1481145480, 1728003060, 2073603672, 2304004080, 2592004590, 2962290960, 3456006120, 4147207344, 5184009180, 6912012240, 10368018360, 20736036720]

約数ペア:

[(1, 20736036720), (2, 10368018360), (3, 6912012240), (4, 5184009180), (5, 4147207344), (6, 3456006120), (7, 2962290960), (8, 2592004590), (9, 2304004080), (10, 2073603672), (12, 1728003060), (14, 1481145480), (15, 1382402448), (16, 1296002295), (18, 1152002040), (20, 1036801836), (21, 987430320), (24, 864001530), (27, 768001360), (28, 740572740), (30, 691201224), (35, 592458192), (36, 576001020), (40, 518400918), (42, 493715160), (45, 460800816), (48, 432000765), (54, 384000680), (56, 370286370), (60, 345600612), (63, 329143440), (70, 296229096), (72, 288000510), (80, 259200459), (84, 246857580), (90, 230400408), (105, 197486064), (108, 192000340), (112, 185143185), (120, 172800306), (126, 164571720), (135, 153600272), (140, 148114548), (144, 144000255), (168, 123428790), (180, 115200204), (189, 109714480), (210, 98743032), (216, 96000170), (240, 86400153), (252, 82285860), (270, 76800136), (280, 74057274), (315, 65828688), (336, 61714395), (360, 57600102), (378, 54857240), (420, 49371516), (432, 48000085), (504, 41142930), (540, 38400068), (560, 37028637), (630, 32914344), (720, 28800051), (756, 27428620), (840, 24685758), (945, 21942896), (1008, 20571465), (1080, 19200034), (1260, 16457172), (1512, 13714310), (1680, 12342879), (1890, 10971448), (2160, 9600017), (2520, 8228586), (3024, 6857155), (3780, 5485724), (5040, 4114293), (7560, 2742862), (15120, 1371431)]