378499680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20219}}^1$

素因数の和:20253

約数の個数: 144

約数和(自身を含む): 1391055120

約数和(自身を除く): 1012555440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 20219, 40438, 60657, 80876, 101095, 121314, 161752, 181971, 202190, 242628, 262847, 303285, 323504, 363942, 404380, 485256, 525694, 606570, 647008, 727884, 788541, 808760, 909855, 970512, 1051388, 1213140, 1314235, 1455768, 1577082, 1617520, 1819710, 1941024, 2102776, 2365623, 2426280, 2628470, 2911536, 3154164, 3235040, 3639420, 3942705, 4205552, 4731246, 4852560, 5256940, 5823072, 6308328, 7278840, 7885410, 8411104, 9462492, 9705120, 10513880, 11828115, 12616656, 14557680, 15770820, 18924984, 21027760, 23656230, 25233312, 29115360, 31541640, 37849968, 42055520, 47312460, 63083280, 75699936, 94624920, 126166560, 189249840, 378499680]

約数ペア:

[(1, 378499680), (2, 189249840), (3, 126166560), (4, 94624920), (5, 75699936), (6, 63083280), (8, 47312460), (9, 42055520), (10, 37849968), (12, 31541640), (13, 29115360), (15, 25233312), (16, 23656230), (18, 21027760), (20, 18924984), (24, 15770820), (26, 14557680), (30, 12616656), (32, 11828115), (36, 10513880), (39, 9705120), (40, 9462492), (45, 8411104), (48, 7885410), (52, 7278840), (60, 6308328), (65, 5823072), (72, 5256940), (78, 4852560), (80, 4731246), (90, 4205552), (96, 3942705), (104, 3639420), (117, 3235040), (120, 3154164), (130, 2911536), (144, 2628470), (156, 2426280), (160, 2365623), (180, 2102776), (195, 1941024), (208, 1819710), (234, 1617520), (240, 1577082), (260, 1455768), (288, 1314235), (312, 1213140), (360, 1051388), (390, 970512), (416, 909855), (468, 808760), (480, 788541), (520, 727884), (585, 647008), (624, 606570), (720, 525694), (780, 485256), (936, 404380), (1040, 363942), (1170, 323504), (1248, 303285), (1440, 262847), (1560, 242628), (1872, 202190), (2080, 181971), (2340, 161752), (3120, 121314), (3744, 101095), (4680, 80876), (6240, 60657), (9360, 40438), (18720, 20219)]