2195803980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1\times {\mathrm{887}}^1$

素因数の和:1728

約数の個数: 144

約数和(自身を含む): 7069083840

約数和(自身を除く): 4873279860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 809, 887, 1020, 1530, 1618, 1774, 2427, 2661, 3060, 3236, 3548, 4045, 4435, 4854, 5322, 7281, 7983, 8090, 8870, 9708, 10644, 12135, 13305, 13753, 14562, 15079, 15966, 16180, 17740, 24270, 26610, 27506, 29124, 30158, 31932, 36405, 39915, 41259, 45237, 48540, 53220, 55012, 60316, 68765, 72810, 75395, 79830, 82518, 90474, 123777, 135711, 137530, 145620, 150790, 159660, 165036, 180948, 206295, 226185, 247554, 271422, 275060, 301580, 412590, 452370, 495108, 542844, 618885, 678555, 717583, 825180, 904740, 1237770, 1357110, 1435166, 2152749, 2475540, 2714220, 2870332, 3587915, 4305498, 6458247, 7175830, 8610996, 10763745, 12198911, 12916494, 14351660, 21527490, 24397822, 25832988, 32291235, 36596733, 43054980, 48795644, 60994555, 64582470, 73193466, 109790199, 121989110, 129164940, 146386932, 182983665, 219580398, 243978220, 365967330, 439160796, 548950995, 731934660, 1097901990, 2195803980]

約数ペア:

[(1, 2195803980), (2, 1097901990), (3, 731934660), (4, 548950995), (5, 439160796), (6, 365967330), (9, 243978220), (10, 219580398), (12, 182983665), (15, 146386932), (17, 129164940), (18, 121989110), (20, 109790199), (30, 73193466), (34, 64582470), (36, 60994555), (45, 48795644), (51, 43054980), (60, 36596733), (68, 32291235), (85, 25832988), (90, 24397822), (102, 21527490), (153, 14351660), (170, 12916494), (180, 12198911), (204, 10763745), (255, 8610996), (306, 7175830), (340, 6458247), (510, 4305498), (612, 3587915), (765, 2870332), (809, 2714220), (887, 2475540), (1020, 2152749), (1530, 1435166), (1618, 1357110), (1774, 1237770), (2427, 904740), (2661, 825180), (3060, 717583), (3236, 678555), (3548, 618885), (4045, 542844), (4435, 495108), (4854, 452370), (5322, 412590), (7281, 301580), (7983, 275060), (8090, 271422), (8870, 247554), (9708, 226185), (10644, 206295), (12135, 180948), (13305, 165036), (13753, 159660), (14562, 150790), (15079, 145620), (15966, 137530), (16180, 135711), (17740, 123777), (24270, 90474), (26610, 82518), (27506, 79830), (29124, 75395), (30158, 72810), (31932, 68765), (36405, 60316), (39915, 55012), (41259, 53220), (45237, 48540)]