42276520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 117936000

約数和(自身を除く): 75659480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 380, 389, 418, 440, 494, 520, 572, 715, 760, 778, 836, 988, 1045, 1144, 1235, 1430, 1556, 1672, 1945, 1976, 2090, 2470, 2717, 2860, 3112, 3890, 4180, 4279, 4940, 5057, 5434, 5720, 7391, 7780, 8360, 8558, 9880, 10114, 10868, 13585, 14782, 15560, 17116, 20228, 21395, 21736, 25285, 27170, 29564, 34232, 36955, 40456, 42790, 50570, 54340, 55627, 59128, 73910, 81301, 85580, 96083, 101140, 108680, 111254, 147820, 162602, 171160, 192166, 202280, 222508, 278135, 295640, 325204, 384332, 406505, 445016, 480415, 556270, 650408, 768664, 813010, 960830, 1056913, 1112540, 1626020, 1921660, 2113826, 2225080, 3252040, 3843320, 4227652, 5284565, 8455304, 10569130, 21138260, 42276520]

約数ペア:

[(1, 42276520), (2, 21138260), (4, 10569130), (5, 8455304), (8, 5284565), (10, 4227652), (11, 3843320), (13, 3252040), (19, 2225080), (20, 2113826), (22, 1921660), (26, 1626020), (38, 1112540), (40, 1056913), (44, 960830), (52, 813010), (55, 768664), (65, 650408), (76, 556270), (88, 480415), (95, 445016), (104, 406505), (110, 384332), (130, 325204), (143, 295640), (152, 278135), (190, 222508), (209, 202280), (220, 192166), (247, 171160), (260, 162602), (286, 147820), (380, 111254), (389, 108680), (418, 101140), (440, 96083), (494, 85580), (520, 81301), (572, 73910), (715, 59128), (760, 55627), (778, 54340), (836, 50570), (988, 42790), (1045, 40456), (1144, 36955), (1235, 34232), (1430, 29564), (1556, 27170), (1672, 25285), (1945, 21736), (1976, 21395), (2090, 20228), (2470, 17116), (2717, 15560), (2860, 14782), (3112, 13585), (3890, 10868), (4180, 10114), (4279, 9880), (4940, 8558), (5057, 8360), (5434, 7780), (5720, 7391)]