788016880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{6199}}^1$

素因数の和:6446

約数の個数: 80

約数和(自身を含む): 2103436800

約数和(自身を除く): 1315419920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 908, 1135, 1589, 1816, 2270, 3178, 3632, 4540, 6199, 6356, 7945, 9080, 12398, 12712, 15890, 18160, 24796, 25424, 30995, 31780, 43393, 49592, 61990, 63560, 86786, 99184, 123980, 127120, 173572, 216965, 247960, 347144, 433930, 495920, 694288, 867860, 1407173, 1735720, 2814346, 3471440, 5628692, 7035865, 9850211, 11257384, 14071730, 19700422, 22514768, 28143460, 39400844, 49251055, 56286920, 78801688, 98502110, 112573840, 157603376, 197004220, 394008440, 788016880]

約数ペア:

[(1, 788016880), (2, 394008440), (4, 197004220), (5, 157603376), (7, 112573840), (8, 98502110), (10, 78801688), (14, 56286920), (16, 49251055), (20, 39400844), (28, 28143460), (35, 22514768), (40, 19700422), (56, 14071730), (70, 11257384), (80, 9850211), (112, 7035865), (140, 5628692), (227, 3471440), (280, 2814346), (454, 1735720), (560, 1407173), (908, 867860), (1135, 694288), (1589, 495920), (1816, 433930), (2270, 347144), (3178, 247960), (3632, 216965), (4540, 173572), (6199, 127120), (6356, 123980), (7945, 99184), (9080, 86786), (12398, 63560), (12712, 61990), (15890, 49592), (18160, 43393), (24796, 31780), (25424, 30995)]