28752480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 144

約数和(自身を含む): 100717344

約数和(自身を除く): 71964864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 288, 328, 360, 369, 410, 480, 487, 492, 615, 656, 720, 738, 820, 974, 984, 1230, 1312, 1440, 1461, 1476, 1640, 1845, 1948, 1968, 2435, 2460, 2922, 2952, 3280, 3690, 3896, 3936, 4383, 4870, 4920, 5844, 5904, 6560, 7305, 7380, 7792, 8766, 9740, 9840, 11688, 11808, 14610, 14760, 15584, 17532, 19480, 19680, 19967, 21915, 23376, 29220, 29520, 35064, 38960, 39934, 43830, 46752, 58440, 59040, 59901, 70128, 77920, 79868, 87660, 99835, 116880, 119802, 140256, 159736, 175320, 179703, 199670, 233760, 239604, 299505, 319472, 350640, 359406, 399340, 479208, 599010, 638944, 701280, 718812, 798680, 898515, 958416, 1198020, 1437624, 1597360, 1797030, 1916832, 2396040, 2875248, 3194720, 3594060, 4792080, 5750496, 7188120, 9584160, 14376240, 28752480]

約数ペア:

[(1, 28752480), (2, 14376240), (3, 9584160), (4, 7188120), (5, 5750496), (6, 4792080), (8, 3594060), (9, 3194720), (10, 2875248), (12, 2396040), (15, 1916832), (16, 1797030), (18, 1597360), (20, 1437624), (24, 1198020), (30, 958416), (32, 898515), (36, 798680), (40, 718812), (41, 701280), (45, 638944), (48, 599010), (60, 479208), (72, 399340), (80, 359406), (82, 350640), (90, 319472), (96, 299505), (120, 239604), (123, 233760), (144, 199670), (160, 179703), (164, 175320), (180, 159736), (205, 140256), (240, 119802), (246, 116880), (288, 99835), (328, 87660), (360, 79868), (369, 77920), (410, 70128), (480, 59901), (487, 59040), (492, 58440), (615, 46752), (656, 43830), (720, 39934), (738, 38960), (820, 35064), (974, 29520), (984, 29220), (1230, 23376), (1312, 21915), (1440, 19967), (1461, 19680), (1476, 19480), (1640, 17532), (1845, 15584), (1948, 14760), (1968, 14610), (2435, 11808), (2460, 11688), (2922, 9840), (2952, 9740), (3280, 8766), (3690, 7792), (3896, 7380), (3936, 7305), (4383, 6560), (4870, 5904), (4920, 5844)]