622761720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1423}}^1$

素因数の和:1965

約数の個数: 128

約数和(自身を含む): 2140784640

約数和(自身を除く): 1518022920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 521, 840, 1042, 1423, 1563, 2084, 2605, 2846, 3126, 3647, 4168, 4269, 5210, 5692, 6252, 7115, 7294, 7815, 8538, 9961, 10420, 10941, 11384, 12504, 14230, 14588, 15630, 17076, 18235, 19922, 20840, 21345, 21882, 28460, 29176, 29883, 31260, 34152, 36470, 39844, 42690, 43764, 49805, 54705, 56920, 59766, 62520, 72940, 79688, 85380, 87528, 99610, 109410, 119532, 145880, 149415, 170760, 199220, 218820, 239064, 298830, 398440, 437640, 597660, 741383, 1195320, 1482766, 2224149, 2965532, 3706915, 4448298, 5189681, 5931064, 7413830, 8896596, 10379362, 11120745, 14827660, 15569043, 17793192, 20758724, 22241490, 25948405, 29655320, 31138086, 41517448, 44482980, 51896810, 62276172, 77845215, 88965960, 103793620, 124552344, 155690430, 207587240, 311380860, 622761720]

約数ペア:

[(1, 622761720), (2, 311380860), (3, 207587240), (4, 155690430), (5, 124552344), (6, 103793620), (7, 88965960), (8, 77845215), (10, 62276172), (12, 51896810), (14, 44482980), (15, 41517448), (20, 31138086), (21, 29655320), (24, 25948405), (28, 22241490), (30, 20758724), (35, 17793192), (40, 15569043), (42, 14827660), (56, 11120745), (60, 10379362), (70, 8896596), (84, 7413830), (105, 5931064), (120, 5189681), (140, 4448298), (168, 3706915), (210, 2965532), (280, 2224149), (420, 1482766), (521, 1195320), (840, 741383), (1042, 597660), (1423, 437640), (1563, 398440), (2084, 298830), (2605, 239064), (2846, 218820), (3126, 199220), (3647, 170760), (4168, 149415), (4269, 145880), (5210, 119532), (5692, 109410), (6252, 99610), (7115, 87528), (7294, 85380), (7815, 79688), (8538, 72940), (9961, 62520), (10420, 59766), (10941, 56920), (11384, 54705), (12504, 49805), (14230, 43764), (14588, 42690), (15630, 39844), (17076, 36470), (18235, 34152), (19922, 31260), (20840, 29883), (21345, 29176), (21882, 28460)]