261056880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{51797}}^1$

素因数の和:51823

約数の個数: 120

約数和(自身を含む): 1001980512

約数和(自身を除く): 740923632

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, 51797, 103594, 155391, 207188, 258985, 310782, 362579, 414376, 466173, 517970, 621564, 725158, 776955, 828752, 932346, 1035940, 1087737, 1243128, 1450316, 1553910, 1812895, 1864692, 2071880, 2175474, 2330865, 2486256, 2900632, 3107820, 3263211, 3625790, 3729384, 4143760, 4350948, 4661730, 5438685, 5801264, 6215640, 6526422, 7251580, 7458768, 8701896, 9323460, 10877370, 12431280, 13052844, 14503160, 16316055, 17403792, 18646920, 21754740, 26105688, 29006320, 32632110, 37293840, 43509480, 52211376, 65264220, 87018960, 130528440, 261056880]

約数ペア:

[(1, 261056880), (2, 130528440), (3, 87018960), (4, 65264220), (5, 52211376), (6, 43509480), (7, 37293840), (8, 32632110), (9, 29006320), (10, 26105688), (12, 21754740), (14, 18646920), (15, 17403792), (16, 16316055), (18, 14503160), (20, 13052844), (21, 12431280), (24, 10877370), (28, 9323460), (30, 8701896), (35, 7458768), (36, 7251580), (40, 6526422), (42, 6215640), (45, 5801264), (48, 5438685), (56, 4661730), (60, 4350948), (63, 4143760), (70, 3729384), (72, 3625790), (80, 3263211), (84, 3107820), (90, 2900632), (105, 2486256), (112, 2330865), (120, 2175474), (126, 2071880), (140, 1864692), (144, 1812895), (168, 1553910), (180, 1450316), (210, 1243128), (240, 1087737), (252, 1035940), (280, 932346), (315, 828752), (336, 776955), (360, 725158), (420, 621564), (504, 517970), (560, 466173), (630, 414376), (720, 362579), (840, 310782), (1008, 258985), (1260, 207188), (1680, 155391), (2520, 103594), (5040, 51797)]