428690640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{255173}}^1$

素因数の和:255196

約数の個数: 80

約数和(自身を含む): 1518795648

約数和(自身を除く): 1090105008

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, 255173, 510346, 765519, 1020692, 1275865, 1531038, 1786211, 2041384, 2551730, 3062076, 3572422, 3827595, 4082768, 5103460, 5358633, 6124152, 7144844, 7655190, 8931055, 10206920, 10717266, 12248304, 14289688, 15310380, 17862110, 20413840, 21434532, 26793165, 28579376, 30620760, 35724220, 42869064, 53586330, 61241520, 71448440, 85738128, 107172660, 142896880, 214345320, 428690640]

約数ペア:

[(1, 428690640), (2, 214345320), (3, 142896880), (4, 107172660), (5, 85738128), (6, 71448440), (7, 61241520), (8, 53586330), (10, 42869064), (12, 35724220), (14, 30620760), (15, 28579376), (16, 26793165), (20, 21434532), (21, 20413840), (24, 17862110), (28, 15310380), (30, 14289688), (35, 12248304), (40, 10717266), (42, 10206920), (48, 8931055), (56, 7655190), (60, 7144844), (70, 6124152), (80, 5358633), (84, 5103460), (105, 4082768), (112, 3827595), (120, 3572422), (140, 3062076), (168, 2551730), (210, 2041384), (240, 1786211), (280, 1531038), (336, 1275865), (420, 1020692), (560, 765519), (840, 510346), (1680, 255173)]