40205520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2939}}^1$

素因数の和:2977

約数の個数: 120

約数和(自身を含む): 142178400

約数和(自身を除く): 101972880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 2939, 3420, 4560, 5878, 6840, 8817, 11756, 13680, 14695, 17634, 23512, 26451, 29390, 35268, 44085, 47024, 52902, 55841, 58780, 70536, 88170, 105804, 111682, 117560, 132255, 141072, 167523, 176340, 211608, 223364, 235120, 264510, 279205, 335046, 352680, 423216, 446728, 502569, 529020, 558410, 670092, 705360, 837615, 893456, 1005138, 1058040, 1116820, 1340184, 1675230, 2010276, 2116080, 2233640, 2512845, 2680368, 3350460, 4020552, 4467280, 5025690, 6700920, 8041104, 10051380, 13401840, 20102760, 40205520]

約数ペア:

[(1, 40205520), (2, 20102760), (3, 13401840), (4, 10051380), (5, 8041104), (6, 6700920), (8, 5025690), (9, 4467280), (10, 4020552), (12, 3350460), (15, 2680368), (16, 2512845), (18, 2233640), (19, 2116080), (20, 2010276), (24, 1675230), (30, 1340184), (36, 1116820), (38, 1058040), (40, 1005138), (45, 893456), (48, 837615), (57, 705360), (60, 670092), (72, 558410), (76, 529020), (80, 502569), (90, 446728), (95, 423216), (114, 352680), (120, 335046), (144, 279205), (152, 264510), (171, 235120), (180, 223364), (190, 211608), (228, 176340), (240, 167523), (285, 141072), (304, 132255), (342, 117560), (360, 111682), (380, 105804), (456, 88170), (570, 70536), (684, 58780), (720, 55841), (760, 52902), (855, 47024), (912, 44085), (1140, 35268), (1368, 29390), (1520, 26451), (1710, 23512), (2280, 17634), (2736, 14695), (2939, 13680), (3420, 11756), (4560, 8817), (5878, 6840)]