1921004280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13241}}^1$

素因数の和:13302

約数の個数: 192

約数和(自身を含む): 6940926720

約数和(自身を除く): 5019922440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1560, 1612, 1860, 2015, 2232, 2340, 2418, 2790, 3224, 3627, 3720, 4030, 4680, 4836, 5580, 6045, 7254, 8060, 9672, 11160, 12090, 13241, 14508, 16120, 18135, 24180, 26482, 29016, 36270, 39723, 48360, 52964, 66205, 72540, 79446, 105928, 119169, 132410, 145080, 158892, 172133, 198615, 238338, 264820, 317784, 344266, 397230, 410471, 476676, 516399, 529640, 595845, 688532, 794460, 820942, 860665, 953352, 1032798, 1191690, 1231413, 1377064, 1549197, 1588920, 1641884, 1721330, 2052355, 2065596, 2383380, 2462826, 2581995, 3098394, 3283768, 3442660, 3694239, 4104710, 4131192, 4766760, 4925652, 5163990, 5336123, 6157065, 6196788, 6885320, 7388478, 7745985, 8209420, 9851304, 10327980, 10672246, 12314130, 12393576, 14776956, 15491970, 16008369, 16418840, 18471195, 20655960, 21344492, 24628260, 26680615, 29553912, 30983940, 32016738, 36942390, 42688984, 48025107, 49256520, 53361230, 61967880, 64033476, 73884780, 80041845, 96050214, 106722460, 128066952, 147769560, 160083690, 192100428, 213444920, 240125535, 320167380, 384200856, 480251070, 640334760, 960502140, 1921004280]

約数ペア:

[(1, 1921004280), (2, 960502140), (3, 640334760), (4, 480251070), (5, 384200856), (6, 320167380), (8, 240125535), (9, 213444920), (10, 192100428), (12, 160083690), (13, 147769560), (15, 128066952), (18, 106722460), (20, 96050214), (24, 80041845), (26, 73884780), (30, 64033476), (31, 61967880), (36, 53361230), (39, 49256520), (40, 48025107), (45, 42688984), (52, 36942390), (60, 32016738), (62, 30983940), (65, 29553912), (72, 26680615), (78, 24628260), (90, 21344492), (93, 20655960), (104, 18471195), (117, 16418840), (120, 16008369), (124, 15491970), (130, 14776956), (155, 12393576), (156, 12314130), (180, 10672246), (186, 10327980), (195, 9851304), (234, 8209420), (248, 7745985), (260, 7388478), (279, 6885320), (310, 6196788), (312, 6157065), (360, 5336123), (372, 5163990), (390, 4925652), (403, 4766760), (465, 4131192), (468, 4104710), (520, 3694239), (558, 3442660), (585, 3283768), (620, 3098394), (744, 2581995), (780, 2462826), (806, 2383380), (930, 2065596), (936, 2052355), (1116, 1721330), (1170, 1641884), (1209, 1588920), (1240, 1549197), (1395, 1377064), (1560, 1231413), (1612, 1191690), (1860, 1032798), (2015, 953352), (2232, 860665), (2340, 820942), (2418, 794460), (2790, 688532), (3224, 595845), (3627, 529640), (3720, 516399), (4030, 476676), (4680, 410471), (4836, 397230), (5580, 344266), (6045, 317784), (7254, 264820), (8060, 238338), (9672, 198615), (11160, 172133), (12090, 158892), (13241, 145080), (14508, 132410), (16120, 119169), (18135, 105928), (24180, 79446), (26482, 72540), (29016, 66205), (36270, 52964), (39723, 48360)]