18778320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2371}}^1$

素因数の和:2401

約数の個数: 120

約数和(自身を含む): 68825952

約数和(自身を除く): 50047632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2371, 2640, 3960, 4742, 7113, 7920, 9484, 11855, 14226, 18968, 21339, 23710, 26081, 28452, 35565, 37936, 42678, 47420, 52162, 56904, 71130, 78243, 85356, 94840, 104324, 106695, 113808, 130405, 142260, 156486, 170712, 189680, 208648, 213390, 234729, 260810, 284520, 312972, 341424, 391215, 417296, 426780, 469458, 521620, 569040, 625944, 782430, 853560, 938916, 1043240, 1173645, 1251888, 1564860, 1707120, 1877832, 2086480, 2347290, 3129720, 3755664, 4694580, 6259440, 9389160, 18778320]

約数ペア:

[(1, 18778320), (2, 9389160), (3, 6259440), (4, 4694580), (5, 3755664), (6, 3129720), (8, 2347290), (9, 2086480), (10, 1877832), (11, 1707120), (12, 1564860), (15, 1251888), (16, 1173645), (18, 1043240), (20, 938916), (22, 853560), (24, 782430), (30, 625944), (33, 569040), (36, 521620), (40, 469458), (44, 426780), (45, 417296), (48, 391215), (55, 341424), (60, 312972), (66, 284520), (72, 260810), (80, 234729), (88, 213390), (90, 208648), (99, 189680), (110, 170712), (120, 156486), (132, 142260), (144, 130405), (165, 113808), (176, 106695), (180, 104324), (198, 94840), (220, 85356), (240, 78243), (264, 71130), (330, 56904), (360, 52162), (396, 47420), (440, 42678), (495, 37936), (528, 35565), (660, 28452), (720, 26081), (792, 23710), (880, 21339), (990, 18968), (1320, 14226), (1584, 11855), (1980, 9484), (2371, 7920), (2640, 7113), (3960, 4742)]