133929160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 309355200

約数和(自身を除く): 175426040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 131, 244, 262, 305, 419, 488, 524, 610, 655, 838, 1048, 1220, 1310, 1676, 2095, 2440, 2620, 3352, 4190, 5240, 7991, 8380, 15982, 16760, 25559, 31964, 39955, 51118, 54889, 63928, 79910, 102236, 109778, 127795, 159820, 204472, 219556, 255590, 274445, 319640, 439112, 511180, 548890, 1022360, 1097780, 2195560, 3348229, 6696458, 13392916, 16741145, 26785832, 33482290, 66964580, 133929160]

約数ペア:

[(1, 133929160), (2, 66964580), (4, 33482290), (5, 26785832), (8, 16741145), (10, 13392916), (20, 6696458), (40, 3348229), (61, 2195560), (122, 1097780), (131, 1022360), (244, 548890), (262, 511180), (305, 439112), (419, 319640), (488, 274445), (524, 255590), (610, 219556), (655, 204472), (838, 159820), (1048, 127795), (1220, 109778), (1310, 102236), (1676, 79910), (2095, 63928), (2440, 54889), (2620, 51118), (3352, 39955), (4190, 31964), (5240, 25559), (7991, 16760), (8380, 15982)]