1900161720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22271}}^1$

素因数の和:22370

約数の個数: 128

約数和(自身を含む): 6414336000

約数和(自身を除く): 4514174280

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, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 395, 474, 540, 632, 711, 790, 948, 1080, 1185, 1422, 1580, 1896, 2133, 2370, 2844, 3160, 3555, 4266, 4740, 5688, 7110, 8532, 9480, 10665, 14220, 17064, 21330, 22271, 28440, 42660, 44542, 66813, 85320, 89084, 111355, 133626, 178168, 200439, 222710, 267252, 334065, 400878, 445420, 534504, 601317, 668130, 801756, 890840, 1002195, 1202634, 1336260, 1603512, 1759409, 2004390, 2405268, 2672520, 3006585, 3518818, 4008780, 4810536, 5278227, 6013170, 7037636, 8017560, 8797045, 10556454, 12026340, 14075272, 15834681, 17594090, 21112908, 24052680, 26391135, 31669362, 35188180, 42225816, 47504043, 52782270, 63338724, 70376360, 79173405, 95008086, 105564540, 126677448, 158346810, 190016172, 211129080, 237520215, 316693620, 380032344, 475040430, 633387240, 950080860, 1900161720]

約数ペア:

[(1, 1900161720), (2, 950080860), (3, 633387240), (4, 475040430), (5, 380032344), (6, 316693620), (8, 237520215), (9, 211129080), (10, 190016172), (12, 158346810), (15, 126677448), (18, 105564540), (20, 95008086), (24, 79173405), (27, 70376360), (30, 63338724), (36, 52782270), (40, 47504043), (45, 42225816), (54, 35188180), (60, 31669362), (72, 26391135), (79, 24052680), (90, 21112908), (108, 17594090), (120, 15834681), (135, 14075272), (158, 12026340), (180, 10556454), (216, 8797045), (237, 8017560), (270, 7037636), (316, 6013170), (360, 5278227), (395, 4810536), (474, 4008780), (540, 3518818), (632, 3006585), (711, 2672520), (790, 2405268), (948, 2004390), (1080, 1759409), (1185, 1603512), (1422, 1336260), (1580, 1202634), (1896, 1002195), (2133, 890840), (2370, 801756), (2844, 668130), (3160, 601317), (3555, 534504), (4266, 445420), (4740, 400878), (5688, 334065), (7110, 267252), (8532, 222710), (9480, 200439), (10665, 178168), (14220, 133626), (17064, 111355), (21330, 89084), (22271, 85320), (28440, 66813), (42660, 44542)]