28332720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1044

約数の個数: 160

約数和(自身を含む): 105201600

約数和(自身を除く): 76868880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1009, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2018, 2160, 2340, 2808, 3027, 3120, 3510, 4036, 4680, 5045, 5616, 6054, 7020, 8072, 9081, 9360, 10090, 12108, 13117, 14040, 15135, 16144, 18162, 20180, 24216, 26234, 27243, 28080, 30270, 36324, 39351, 40360, 45405, 48432, 52468, 54486, 60540, 65585, 72648, 78702, 80720, 90810, 104936, 108972, 118053, 121080, 131170, 136215, 145296, 157404, 181620, 196755, 209872, 217944, 236106, 242160, 262340, 272430, 314808, 354159, 363240, 393510, 435888, 472212, 524680, 544860, 590265, 629616, 708318, 726480, 787020, 944424, 1049360, 1089720, 1180530, 1416636, 1574040, 1770795, 1888848, 2179440, 2361060, 2833272, 3148080, 3541590, 4722120, 5666544, 7083180, 9444240, 14166360, 28332720]

約数ペア:

[(1, 28332720), (2, 14166360), (3, 9444240), (4, 7083180), (5, 5666544), (6, 4722120), (8, 3541590), (9, 3148080), (10, 2833272), (12, 2361060), (13, 2179440), (15, 1888848), (16, 1770795), (18, 1574040), (20, 1416636), (24, 1180530), (26, 1089720), (27, 1049360), (30, 944424), (36, 787020), (39, 726480), (40, 708318), (45, 629616), (48, 590265), (52, 544860), (54, 524680), (60, 472212), (65, 435888), (72, 393510), (78, 363240), (80, 354159), (90, 314808), (104, 272430), (108, 262340), (117, 242160), (120, 236106), (130, 217944), (135, 209872), (144, 196755), (156, 181620), (180, 157404), (195, 145296), (208, 136215), (216, 131170), (234, 121080), (240, 118053), (260, 108972), (270, 104936), (312, 90810), (351, 80720), (360, 78702), (390, 72648), (432, 65585), (468, 60540), (520, 54486), (540, 52468), (585, 48432), (624, 45405), (702, 40360), (720, 39351), (780, 36324), (936, 30270), (1009, 28080), (1040, 27243), (1080, 26234), (1170, 24216), (1404, 20180), (1560, 18162), (1755, 16144), (1872, 15135), (2018, 14040), (2160, 13117), (2340, 12108), (2808, 10090), (3027, 9360), (3120, 9081), (3510, 8072), (4036, 7020), (4680, 6054), (5045, 5616)]