2011553080

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 4760856000

約数和(自身を除く): 2749302920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 61, 89, 118, 122, 157, 178, 236, 244, 295, 305, 314, 356, 445, 472, 488, 590, 610, 628, 712, 785, 890, 1180, 1220, 1256, 1570, 1780, 2360, 2440, 3140, 3560, 3599, 5251, 5429, 6280, 7198, 9263, 9577, 10502, 10858, 13973, 14396, 17995, 18526, 19154, 21004, 21716, 26255, 27145, 27946, 28792, 35990, 37052, 38308, 42008, 43432, 46315, 47885, 52510, 54290, 55892, 69865, 71980, 74104, 76616, 92630, 95770, 105020, 108580, 111784, 139730, 143960, 185260, 191540, 210040, 217160, 279460, 320311, 370520, 383080, 558920, 565043, 640622, 824407, 852353, 1130086, 1281244, 1601555, 1648814, 1704706, 2260172, 2562488, 2825215, 3203110, 3297628, 3409412, 4122035, 4261765, 4520344, 5650430, 6406220, 6595256, 6818824, 8244070, 8523530, 11300860, 12812440, 16488140, 17047060, 22601720, 32976280, 34094120, 50288827, 100577654, 201155308, 251444135, 402310616, 502888270, 1005776540, 2011553080]

約数ペア:

[(1, 2011553080), (2, 1005776540), (4, 502888270), (5, 402310616), (8, 251444135), (10, 201155308), (20, 100577654), (40, 50288827), (59, 34094120), (61, 32976280), (89, 22601720), (118, 17047060), (122, 16488140), (157, 12812440), (178, 11300860), (236, 8523530), (244, 8244070), (295, 6818824), (305, 6595256), (314, 6406220), (356, 5650430), (445, 4520344), (472, 4261765), (488, 4122035), (590, 3409412), (610, 3297628), (628, 3203110), (712, 2825215), (785, 2562488), (890, 2260172), (1180, 1704706), (1220, 1648814), (1256, 1601555), (1570, 1281244), (1780, 1130086), (2360, 852353), (2440, 824407), (3140, 640622), (3560, 565043), (3599, 558920), (5251, 383080), (5429, 370520), (6280, 320311), (7198, 279460), (9263, 217160), (9577, 210040), (10502, 191540), (10858, 185260), (13973, 143960), (14396, 139730), (17995, 111784), (18526, 108580), (19154, 105020), (21004, 95770), (21716, 92630), (26255, 76616), (27145, 74104), (27946, 71980), (28792, 69865), (35990, 55892), (37052, 54290), (38308, 52510), (42008, 47885), (43432, 46315)]