40728240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{8081}}^1$

素因数の和:8107

約数の個数: 120

約数和(自身を含む): 156338208

約数和(自身を除く): 115609968

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, 8081, 16162, 24243, 32324, 40405, 48486, 56567, 64648, 72729, 80810, 96972, 113134, 121215, 129296, 145458, 161620, 169701, 193944, 226268, 242430, 282835, 290916, 323240, 339402, 363645, 387888, 452536, 484860, 509103, 565670, 581832, 646480, 678804, 727290, 848505, 905072, 969720, 1018206, 1131340, 1163664, 1357608, 1454580, 1697010, 1939440, 2036412, 2262680, 2545515, 2715216, 2909160, 3394020, 4072824, 4525360, 5091030, 5818320, 6788040, 8145648, 10182060, 13576080, 20364120, 40728240]

約数ペア:

[(1, 40728240), (2, 20364120), (3, 13576080), (4, 10182060), (5, 8145648), (6, 6788040), (7, 5818320), (8, 5091030), (9, 4525360), (10, 4072824), (12, 3394020), (14, 2909160), (15, 2715216), (16, 2545515), (18, 2262680), (20, 2036412), (21, 1939440), (24, 1697010), (28, 1454580), (30, 1357608), (35, 1163664), (36, 1131340), (40, 1018206), (42, 969720), (45, 905072), (48, 848505), (56, 727290), (60, 678804), (63, 646480), (70, 581832), (72, 565670), (80, 509103), (84, 484860), (90, 452536), (105, 387888), (112, 363645), (120, 339402), (126, 323240), (140, 290916), (144, 282835), (168, 242430), (180, 226268), (210, 193944), (240, 169701), (252, 161620), (280, 145458), (315, 129296), (336, 121215), (360, 113134), (420, 96972), (504, 80810), (560, 72729), (630, 64648), (720, 56567), (840, 48486), (1008, 40405), (1260, 32324), (1680, 24243), (2520, 16162), (5040, 8081)]