1813763280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1079621}}^1$

素因数の和:1079644

約数の個数: 80

約数和(自身を含む): 6425910144

約数和(自身を除く): 4612146864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 1079621, 2159242, 3238863, 4318484, 5398105, 6477726, 7557347, 8636968, 10796210, 12955452, 15114694, 16194315, 17273936, 21592420, 22672041, 25910904, 30229388, 32388630, 37786735, 43184840, 45344082, 51821808, 60458776, 64777260, 75573470, 86369680, 90688164, 113360205, 120917552, 129554520, 151146940, 181376328, 226720410, 259109040, 302293880, 362752656, 453440820, 604587760, 906881640, 1813763280]

約数ペア:

[(1, 1813763280), (2, 906881640), (3, 604587760), (4, 453440820), (5, 362752656), (6, 302293880), (7, 259109040), (8, 226720410), (10, 181376328), (12, 151146940), (14, 129554520), (15, 120917552), (16, 113360205), (20, 90688164), (21, 86369680), (24, 75573470), (28, 64777260), (30, 60458776), (35, 51821808), (40, 45344082), (42, 43184840), (48, 37786735), (56, 32388630), (60, 30229388), (70, 25910904), (80, 22672041), (84, 21592420), (105, 17273936), (112, 16194315), (120, 15114694), (140, 12955452), (168, 10796210), (210, 8636968), (240, 7557347), (280, 6477726), (336, 5398105), (420, 4318484), (560, 3238863), (840, 2159242), (1680, 1079621)]