668542680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2801}}^1$

素因数の和:2851

約数の個数: 256

約数和(自身を含む): 2541974400

約数和(自身を除く): 1873431720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 51, 52, 54, 60, 65, 68, 72, 78, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 153, 156, 170, 180, 195, 204, 216, 221, 234, 255, 260, 270, 306, 312, 340, 351, 360, 390, 408, 442, 459, 468, 510, 520, 540, 585, 612, 663, 680, 702, 765, 780, 884, 918, 936, 1020, 1080, 1105, 1170, 1224, 1326, 1404, 1530, 1560, 1755, 1768, 1836, 1989, 2040, 2210, 2295, 2340, 2652, 2801, 2808, 3060, 3315, 3510, 3672, 3978, 4420, 4590, 4680, 5304, 5602, 5967, 6120, 6630, 7020, 7956, 8403, 8840, 9180, 9945, 11204, 11934, 13260, 14005, 14040, 15912, 16806, 18360, 19890, 22408, 23868, 25209, 26520, 28010, 29835, 33612, 36413, 39780, 42015, 47617, 47736, 50418, 56020, 59670, 67224, 72826, 75627, 79560, 84030, 95234, 100836, 109239, 112040, 119340, 126045, 142851, 145652, 151254, 168060, 182065, 190468, 201672, 218478, 238085, 238680, 252090, 285702, 291304, 302508, 327717, 336120, 364130, 378135, 380936, 428553, 436956, 476170, 504180, 546195, 571404, 605016, 619021, 655434, 714255, 728260, 756270, 857106, 873912, 952340, 983151, 1008360, 1092390, 1142808, 1238042, 1285659, 1310868, 1428510, 1456520, 1512540, 1638585, 1714212, 1857063, 1904680, 1966302, 2142765, 2184780, 2476084, 2571318, 2621736, 2857020, 3025080, 3095105, 3277170, 3428424, 3714126, 3932604, 4285530, 4369560, 4915755, 4952168, 5142636, 5571189, 5714040, 6190210, 6428295, 6554340, 7428252, 7865208, 8571060, 9285315, 9831510, 10285272, 11142378, 12380420, 12856590, 13108680, 14856504, 16713567, 17142120, 18570630, 19663020, 22284756, 24760840, 25713180, 27855945, 33427134, 37141260, 39326040, 44569512, 51426360, 55711890, 66854268, 74282520, 83567835, 111423780, 133708536, 167135670, 222847560, 334271340, 668542680]

約数ペア:

[(1, 668542680), (2, 334271340), (3, 222847560), (4, 167135670), (5, 133708536), (6, 111423780), (8, 83567835), (9, 74282520), (10, 66854268), (12, 55711890), (13, 51426360), (15, 44569512), (17, 39326040), (18, 37141260), (20, 33427134), (24, 27855945), (26, 25713180), (27, 24760840), (30, 22284756), (34, 19663020), (36, 18570630), (39, 17142120), (40, 16713567), (45, 14856504), (51, 13108680), (52, 12856590), (54, 12380420), (60, 11142378), (65, 10285272), (68, 9831510), (72, 9285315), (78, 8571060), (85, 7865208), (90, 7428252), (102, 6554340), (104, 6428295), (108, 6190210), (117, 5714040), (120, 5571189), (130, 5142636), (135, 4952168), (136, 4915755), (153, 4369560), (156, 4285530), (170, 3932604), (180, 3714126), (195, 3428424), (204, 3277170), (216, 3095105), (221, 3025080), (234, 2857020), (255, 2621736), (260, 2571318), (270, 2476084), (306, 2184780), (312, 2142765), (340, 1966302), (351, 1904680), (360, 1857063), (390, 1714212), (408, 1638585), (442, 1512540), (459, 1456520), (468, 1428510), (510, 1310868), (520, 1285659), (540, 1238042), (585, 1142808), (612, 1092390), (663, 1008360), (680, 983151), (702, 952340), (765, 873912), (780, 857106), (884, 756270), (918, 728260), (936, 714255), (1020, 655434), (1080, 619021), (1105, 605016), (1170, 571404), (1224, 546195), (1326, 504180), (1404, 476170), (1530, 436956), (1560, 428553), (1755, 380936), (1768, 378135), (1836, 364130), (1989, 336120), (2040, 327717), (2210, 302508), (2295, 291304), (2340, 285702), (2652, 252090), (2801, 238680), (2808, 238085), (3060, 218478), (3315, 201672), (3510, 190468), (3672, 182065), (3978, 168060), (4420, 151254), (4590, 145652), (4680, 142851), (5304, 126045), (5602, 119340), (5967, 112040), (6120, 109239), (6630, 100836), (7020, 95234), (7956, 84030), (8403, 79560), (8840, 75627), (9180, 72826), (9945, 67224), (11204, 59670), (11934, 56020), (13260, 50418), (14005, 47736), (14040, 47617), (15912, 42015), (16806, 39780), (18360, 36413), (19890, 33612), (22408, 29835), (23868, 28010), (25209, 26520)]