78539580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{751}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 275917824

約数和(自身を除く): 197378244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 751, 830, 996, 1162, 1245, 1260, 1494, 1502, 1660, 1743, 2253, 2324, 2490, 2905, 2988, 3004, 3486, 3735, 3755, 4506, 4980, 5229, 5257, 5810, 6759, 6972, 7470, 7510, 8715, 9012, 10458, 10514, 11265, 11620, 13518, 14940, 15020, 15771, 17430, 20916, 21028, 22530, 26145, 26285, 27036, 31542, 33795, 34860, 45060, 47313, 52290, 52570, 62333, 63084, 67590, 78855, 94626, 104580, 105140, 124666, 135180, 157710, 186999, 189252, 236565, 249332, 311665, 315420, 373998, 436331, 473130, 560997, 623330, 747996, 872662, 934995, 946260, 1121994, 1246660, 1308993, 1745324, 1869990, 2181655, 2243988, 2617986, 2804985, 3739980, 3926979, 4363310, 5235972, 5609970, 6544965, 7853958, 8726620, 11219940, 13089930, 15707916, 19634895, 26179860, 39269790, 78539580]

約数ペア:

[(1, 78539580), (2, 39269790), (3, 26179860), (4, 19634895), (5, 15707916), (6, 13089930), (7, 11219940), (9, 8726620), (10, 7853958), (12, 6544965), (14, 5609970), (15, 5235972), (18, 4363310), (20, 3926979), (21, 3739980), (28, 2804985), (30, 2617986), (35, 2243988), (36, 2181655), (42, 1869990), (45, 1745324), (60, 1308993), (63, 1246660), (70, 1121994), (83, 946260), (84, 934995), (90, 872662), (105, 747996), (126, 623330), (140, 560997), (166, 473130), (180, 436331), (210, 373998), (249, 315420), (252, 311665), (315, 249332), (332, 236565), (415, 189252), (420, 186999), (498, 157710), (581, 135180), (630, 124666), (747, 105140), (751, 104580), (830, 94626), (996, 78855), (1162, 67590), (1245, 63084), (1260, 62333), (1494, 52570), (1502, 52290), (1660, 47313), (1743, 45060), (2253, 34860), (2324, 33795), (2490, 31542), (2905, 27036), (2988, 26285), (3004, 26145), (3486, 22530), (3735, 21028), (3755, 20916), (4506, 17430), (4980, 15771), (5229, 15020), (5257, 14940), (5810, 13518), (6759, 11620), (6972, 11265), (7470, 10514), (7510, 10458), (8715, 9012)]