90170640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17891}}^1$

素因数の和:17917

約数の個数: 120

約数和(自身を含む): 346102848

約数和(自身を除く): 255932208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 17891, 35782, 53673, 71564, 89455, 107346, 125237, 143128, 161019, 178910, 214692, 250474, 268365, 286256, 322038, 357820, 375711, 429384, 500948, 536730, 626185, 644076, 715640, 751422, 805095, 858768, 1001896, 1073460, 1127133, 1252370, 1288152, 1431280, 1502844, 1610190, 1878555, 2003792, 2146920, 2254266, 2504740, 2576304, 3005688, 3220380, 3757110, 4293840, 4508532, 5009480, 5635665, 6011376, 6440760, 7514220, 9017064, 10018960, 11271330, 12881520, 15028440, 18034128, 22542660, 30056880, 45085320, 90170640]

約数ペア:

[(1, 90170640), (2, 45085320), (3, 30056880), (4, 22542660), (5, 18034128), (6, 15028440), (7, 12881520), (8, 11271330), (9, 10018960), (10, 9017064), (12, 7514220), (14, 6440760), (15, 6011376), (16, 5635665), (18, 5009480), (20, 4508532), (21, 4293840), (24, 3757110), (28, 3220380), (30, 3005688), (35, 2576304), (36, 2504740), (40, 2254266), (42, 2146920), (45, 2003792), (48, 1878555), (56, 1610190), (60, 1502844), (63, 1431280), (70, 1288152), (72, 1252370), (80, 1127133), (84, 1073460), (90, 1001896), (105, 858768), (112, 805095), (120, 751422), (126, 715640), (140, 644076), (144, 626185), (168, 536730), (180, 500948), (210, 429384), (240, 375711), (252, 357820), (280, 322038), (315, 286256), (336, 268365), (360, 250474), (420, 214692), (504, 178910), (560, 161019), (630, 143128), (720, 125237), (840, 107346), (1008, 89455), (1260, 71564), (1680, 53673), (2520, 35782), (5040, 17891)]