77212980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:695

約数の個数: 192

約数和(自身を含む): 274337280

約数和(自身を除く): 197124300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 340, 351, 390, 442, 459, 468, 510, 540, 585, 612, 647, 663, 702, 765, 780, 884, 918, 1020, 1105, 1170, 1294, 1326, 1404, 1530, 1755, 1836, 1941, 1989, 2210, 2295, 2340, 2588, 2652, 3060, 3235, 3315, 3510, 3882, 3978, 4420, 4590, 5823, 5967, 6470, 6630, 7020, 7764, 7956, 8411, 9180, 9705, 9945, 10999, 11646, 11934, 12940, 13260, 16822, 17469, 19410, 19890, 21998, 23292, 23868, 25233, 29115, 29835, 32997, 33644, 34938, 38820, 39780, 42055, 43996, 50466, 54995, 58230, 59670, 65994, 69876, 75699, 84110, 87345, 98991, 100932, 109990, 116460, 119340, 126165, 131988, 142987, 151398, 164985, 168220, 174690, 197982, 219980, 227097, 252330, 285974, 296973, 302796, 329970, 349380, 378495, 395964, 428961, 454194, 494955, 504660, 571948, 593946, 659940, 714935, 756990, 857922, 908388, 989910, 1135485, 1187892, 1286883, 1429870, 1484865, 1513980, 1715844, 1979820, 2144805, 2270970, 2573766, 2859740, 2969730, 3860649, 4289610, 4541940, 5147532, 5939460, 6434415, 7721298, 8579220, 12868830, 15442596, 19303245, 25737660, 38606490, 77212980]

約数ペア:

[(1, 77212980), (2, 38606490), (3, 25737660), (4, 19303245), (5, 15442596), (6, 12868830), (9, 8579220), (10, 7721298), (12, 6434415), (13, 5939460), (15, 5147532), (17, 4541940), (18, 4289610), (20, 3860649), (26, 2969730), (27, 2859740), (30, 2573766), (34, 2270970), (36, 2144805), (39, 1979820), (45, 1715844), (51, 1513980), (52, 1484865), (54, 1429870), (60, 1286883), (65, 1187892), (68, 1135485), (78, 989910), (85, 908388), (90, 857922), (102, 756990), (108, 714935), (117, 659940), (130, 593946), (135, 571948), (153, 504660), (156, 494955), (170, 454194), (180, 428961), (195, 395964), (204, 378495), (221, 349380), (234, 329970), (255, 302796), (260, 296973), (270, 285974), (306, 252330), (340, 227097), (351, 219980), (390, 197982), (442, 174690), (459, 168220), (468, 164985), (510, 151398), (540, 142987), (585, 131988), (612, 126165), (647, 119340), (663, 116460), (702, 109990), (765, 100932), (780, 98991), (884, 87345), (918, 84110), (1020, 75699), (1105, 69876), (1170, 65994), (1294, 59670), (1326, 58230), (1404, 54995), (1530, 50466), (1755, 43996), (1836, 42055), (1941, 39780), (1989, 38820), (2210, 34938), (2295, 33644), (2340, 32997), (2588, 29835), (2652, 29115), (3060, 25233), (3235, 23868), (3315, 23292), (3510, 21998), (3882, 19890), (3978, 19410), (4420, 17469), (4590, 16822), (5823, 13260), (5967, 12940), (6470, 11934), (6630, 11646), (7020, 10999), (7764, 9945), (7956, 9705), (8411, 9180)]